mirror of
https://github.com/ethereum/go-ethereum.git
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af9a3a1a03
Adding values to the witness introduces a new class of issues for computing gas: if there is not enough gas to cover adding an item to the witness, then the item should not be added to the witness. The problem happens when several items are added together, and that process runs out of gas. The witness gas computation needs a way to signal that not enough gas was provided. These values can not be hardcoded, however, as they are context dependent, i.e. two calls to the same function with the same parameters can give two different results. The approach is to return both the gas that was actually consumed, and the gas that was necessary. If the values don't match, then a witness update OOG'd. The caller should then charge the `consumed` value (remaining gas will be 0) and error out. Why not return a boolean instead of the wanted value? Because when several items are touched, we want to distinguish which item lacked gas. --------- Signed-off-by: Guillaume Ballet <3272758+gballet@users.noreply.github.com>
1109 lines
29 KiB
Go
1109 lines
29 KiB
Go
// Copyright 2015 The go-ethereum Authors
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// This file is part of the go-ethereum library.
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//
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// The go-ethereum library is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// The go-ethereum library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public License
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// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
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package vm
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import (
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"fmt"
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"github.com/ethereum/go-ethereum/params"
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)
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type (
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executionFunc func(pc *uint64, interpreter *EVMInterpreter, callContext *ScopeContext) ([]byte, error)
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gasFunc func(*EVM, *Contract, *Stack, *Memory, uint64) (uint64, error) // last parameter is the requested memory size as a uint64
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// memorySizeFunc returns the required size, and whether the operation overflowed a uint64
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memorySizeFunc func(*Stack) (size uint64, overflow bool)
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)
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type operation struct {
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// execute is the operation function
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execute executionFunc
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constantGas uint64
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dynamicGas gasFunc
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// minStack tells how many stack items are required
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minStack int
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// maxStack specifies the max length the stack can have for this operation
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// to not overflow the stack.
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maxStack int
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// memorySize returns the memory size required for the operation
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memorySize memorySizeFunc
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// undefined denotes if the instruction is not officially defined in the jump table
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undefined bool
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}
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var (
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frontierInstructionSet = newFrontierInstructionSet()
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homesteadInstructionSet = newHomesteadInstructionSet()
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tangerineWhistleInstructionSet = newTangerineWhistleInstructionSet()
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spuriousDragonInstructionSet = newSpuriousDragonInstructionSet()
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byzantiumInstructionSet = newByzantiumInstructionSet()
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constantinopleInstructionSet = newConstantinopleInstructionSet()
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istanbulInstructionSet = newIstanbulInstructionSet()
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berlinInstructionSet = newBerlinInstructionSet()
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londonInstructionSet = newLondonInstructionSet()
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mergeInstructionSet = newMergeInstructionSet()
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shanghaiInstructionSet = newShanghaiInstructionSet()
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cancunInstructionSet = newCancunInstructionSet()
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verkleInstructionSet = newVerkleInstructionSet()
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pragueInstructionSet = newPragueInstructionSet()
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eofInstructionSet = newEOFInstructionSetForTesting()
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)
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// JumpTable contains the EVM opcodes supported at a given fork.
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type JumpTable [256]*operation
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func validate(jt JumpTable) JumpTable {
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for i, op := range jt {
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if op == nil {
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panic(fmt.Sprintf("op %#x is not set", i))
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}
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// The interpreter has an assumption that if the memorySize function is
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// set, then the dynamicGas function is also set. This is a somewhat
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// arbitrary assumption, and can be removed if we need to -- but it
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// allows us to avoid a condition check. As long as we have that assumption
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// in there, this little sanity check prevents us from merging in a
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// change which violates it.
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if op.memorySize != nil && op.dynamicGas == nil {
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panic(fmt.Sprintf("op %v has dynamic memory but not dynamic gas", OpCode(i).String()))
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}
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}
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return jt
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}
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func newVerkleInstructionSet() JumpTable {
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instructionSet := newShanghaiInstructionSet()
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enable4762(&instructionSet)
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return validate(instructionSet)
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}
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func NewEOFInstructionSetForTesting() JumpTable {
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return newEOFInstructionSetForTesting()
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}
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func newEOFInstructionSetForTesting() JumpTable {
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instructionSet := newPragueInstructionSet()
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enableEOF(&instructionSet)
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return validate(instructionSet)
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}
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func newPragueInstructionSet() JumpTable {
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instructionSet := newCancunInstructionSet()
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enable7702(&instructionSet) // EIP-7702 Setcode transaction type
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return validate(instructionSet)
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}
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func newCancunInstructionSet() JumpTable {
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instructionSet := newShanghaiInstructionSet()
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enable4844(&instructionSet) // EIP-4844 (BLOBHASH opcode)
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enable7516(&instructionSet) // EIP-7516 (BLOBBASEFEE opcode)
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enable1153(&instructionSet) // EIP-1153 "Transient Storage"
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enable5656(&instructionSet) // EIP-5656 (MCOPY opcode)
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enable6780(&instructionSet) // EIP-6780 SELFDESTRUCT only in same transaction
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return validate(instructionSet)
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}
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func newShanghaiInstructionSet() JumpTable {
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instructionSet := newMergeInstructionSet()
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enable3855(&instructionSet) // PUSH0 instruction
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enable3860(&instructionSet) // Limit and meter initcode
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return validate(instructionSet)
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}
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func newMergeInstructionSet() JumpTable {
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instructionSet := newLondonInstructionSet()
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instructionSet[PREVRANDAO] = &operation{
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execute: opRandom,
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constantGas: GasQuickStep,
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minStack: minStack(0, 1),
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maxStack: maxStack(0, 1),
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}
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return validate(instructionSet)
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}
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// newLondonInstructionSet returns the frontier, homestead, byzantium,
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// constantinople, istanbul, petersburg, berlin and london instructions.
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func newLondonInstructionSet() JumpTable {
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instructionSet := newBerlinInstructionSet()
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enable3529(&instructionSet) // EIP-3529: Reduction in refunds https://eips.ethereum.org/EIPS/eip-3529
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enable3198(&instructionSet) // Base fee opcode https://eips.ethereum.org/EIPS/eip-3198
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return validate(instructionSet)
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}
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// newBerlinInstructionSet returns the frontier, homestead, byzantium,
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// constantinople, istanbul, petersburg and berlin instructions.
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func newBerlinInstructionSet() JumpTable {
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instructionSet := newIstanbulInstructionSet()
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enable2929(&instructionSet) // Gas cost increases for state access opcodes https://eips.ethereum.org/EIPS/eip-2929
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return validate(instructionSet)
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}
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// newIstanbulInstructionSet returns the frontier, homestead, byzantium,
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// constantinople, istanbul and petersburg instructions.
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func newIstanbulInstructionSet() JumpTable {
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instructionSet := newConstantinopleInstructionSet()
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enable1344(&instructionSet) // ChainID opcode - https://eips.ethereum.org/EIPS/eip-1344
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enable1884(&instructionSet) // Reprice reader opcodes - https://eips.ethereum.org/EIPS/eip-1884
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enable2200(&instructionSet) // Net metered SSTORE - https://eips.ethereum.org/EIPS/eip-2200
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return validate(instructionSet)
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}
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// newConstantinopleInstructionSet returns the frontier, homestead,
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// byzantium and constantinople instructions.
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func newConstantinopleInstructionSet() JumpTable {
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instructionSet := newByzantiumInstructionSet()
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instructionSet[SHL] = &operation{
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execute: opSHL,
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constantGas: GasFastestStep,
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minStack: minStack(2, 1),
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maxStack: maxStack(2, 1),
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}
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instructionSet[SHR] = &operation{
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execute: opSHR,
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constantGas: GasFastestStep,
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minStack: minStack(2, 1),
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maxStack: maxStack(2, 1),
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}
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instructionSet[SAR] = &operation{
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execute: opSAR,
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constantGas: GasFastestStep,
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minStack: minStack(2, 1),
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maxStack: maxStack(2, 1),
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}
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instructionSet[EXTCODEHASH] = &operation{
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execute: opExtCodeHash,
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constantGas: params.ExtcodeHashGasConstantinople,
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minStack: minStack(1, 1),
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maxStack: maxStack(1, 1),
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}
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instructionSet[CREATE2] = &operation{
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execute: opCreate2,
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constantGas: params.Create2Gas,
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dynamicGas: gasCreate2,
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minStack: minStack(4, 1),
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maxStack: maxStack(4, 1),
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memorySize: memoryCreate2,
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}
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return validate(instructionSet)
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}
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// newByzantiumInstructionSet returns the frontier, homestead and
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// byzantium instructions.
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func newByzantiumInstructionSet() JumpTable {
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instructionSet := newSpuriousDragonInstructionSet()
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instructionSet[STATICCALL] = &operation{
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execute: opStaticCall,
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constantGas: params.CallGasEIP150,
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dynamicGas: gasStaticCall,
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minStack: minStack(6, 1),
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maxStack: maxStack(6, 1),
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memorySize: memoryStaticCall,
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}
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instructionSet[RETURNDATASIZE] = &operation{
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execute: opReturnDataSize,
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constantGas: GasQuickStep,
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minStack: minStack(0, 1),
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maxStack: maxStack(0, 1),
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}
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instructionSet[RETURNDATACOPY] = &operation{
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execute: opReturnDataCopy,
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constantGas: GasFastestStep,
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dynamicGas: gasReturnDataCopy,
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minStack: minStack(3, 0),
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maxStack: maxStack(3, 0),
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memorySize: memoryReturnDataCopy,
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}
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instructionSet[REVERT] = &operation{
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execute: opRevert,
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dynamicGas: gasRevert,
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minStack: minStack(2, 0),
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maxStack: maxStack(2, 0),
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memorySize: memoryRevert,
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}
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return validate(instructionSet)
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}
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// EIP 158 a.k.a Spurious Dragon
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func newSpuriousDragonInstructionSet() JumpTable {
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instructionSet := newTangerineWhistleInstructionSet()
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instructionSet[EXP].dynamicGas = gasExpEIP158
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return validate(instructionSet)
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}
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// EIP 150 a.k.a Tangerine Whistle
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func newTangerineWhistleInstructionSet() JumpTable {
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instructionSet := newHomesteadInstructionSet()
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instructionSet[BALANCE].constantGas = params.BalanceGasEIP150
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instructionSet[EXTCODESIZE].constantGas = params.ExtcodeSizeGasEIP150
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instructionSet[SLOAD].constantGas = params.SloadGasEIP150
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instructionSet[EXTCODECOPY].constantGas = params.ExtcodeCopyBaseEIP150
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instructionSet[CALL].constantGas = params.CallGasEIP150
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instructionSet[CALLCODE].constantGas = params.CallGasEIP150
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instructionSet[DELEGATECALL].constantGas = params.CallGasEIP150
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return validate(instructionSet)
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}
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// newHomesteadInstructionSet returns the frontier and homestead
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// instructions that can be executed during the homestead phase.
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func newHomesteadInstructionSet() JumpTable {
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instructionSet := newFrontierInstructionSet()
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instructionSet[DELEGATECALL] = &operation{
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execute: opDelegateCall,
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dynamicGas: gasDelegateCall,
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constantGas: params.CallGasFrontier,
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minStack: minStack(6, 1),
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maxStack: maxStack(6, 1),
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memorySize: memoryDelegateCall,
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}
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return validate(instructionSet)
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}
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// newFrontierInstructionSet returns the frontier instructions
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// that can be executed during the frontier phase.
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func newFrontierInstructionSet() JumpTable {
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tbl := JumpTable{
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STOP: {
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execute: opStop,
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constantGas: 0,
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minStack: minStack(0, 0),
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maxStack: maxStack(0, 0),
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},
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ADD: {
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execute: opAdd,
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constantGas: GasFastestStep,
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minStack: minStack(2, 1),
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maxStack: maxStack(2, 1),
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},
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MUL: {
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execute: opMul,
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constantGas: GasFastStep,
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minStack: minStack(2, 1),
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maxStack: maxStack(2, 1),
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},
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SUB: {
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execute: opSub,
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constantGas: GasFastestStep,
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minStack: minStack(2, 1),
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maxStack: maxStack(2, 1),
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},
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DIV: {
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execute: opDiv,
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constantGas: GasFastStep,
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minStack: minStack(2, 1),
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maxStack: maxStack(2, 1),
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},
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SDIV: {
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execute: opSdiv,
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constantGas: GasFastStep,
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minStack: minStack(2, 1),
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maxStack: maxStack(2, 1),
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},
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MOD: {
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execute: opMod,
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constantGas: GasFastStep,
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minStack: minStack(2, 1),
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maxStack: maxStack(2, 1),
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},
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SMOD: {
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execute: opSmod,
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constantGas: GasFastStep,
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minStack: minStack(2, 1),
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maxStack: maxStack(2, 1),
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},
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ADDMOD: {
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execute: opAddmod,
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constantGas: GasMidStep,
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minStack: minStack(3, 1),
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maxStack: maxStack(3, 1),
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},
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MULMOD: {
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execute: opMulmod,
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constantGas: GasMidStep,
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minStack: minStack(3, 1),
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maxStack: maxStack(3, 1),
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},
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EXP: {
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execute: opExp,
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dynamicGas: gasExpFrontier,
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minStack: minStack(2, 1),
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maxStack: maxStack(2, 1),
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},
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SIGNEXTEND: {
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execute: opSignExtend,
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constantGas: GasFastStep,
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minStack: minStack(2, 1),
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maxStack: maxStack(2, 1),
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},
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LT: {
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execute: opLt,
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constantGas: GasFastestStep,
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minStack: minStack(2, 1),
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maxStack: maxStack(2, 1),
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},
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GT: {
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execute: opGt,
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constantGas: GasFastestStep,
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minStack: minStack(2, 1),
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maxStack: maxStack(2, 1),
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},
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SLT: {
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execute: opSlt,
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constantGas: GasFastestStep,
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minStack: minStack(2, 1),
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maxStack: maxStack(2, 1),
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},
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SGT: {
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execute: opSgt,
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constantGas: GasFastestStep,
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minStack: minStack(2, 1),
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maxStack: maxStack(2, 1),
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},
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EQ: {
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execute: opEq,
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constantGas: GasFastestStep,
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minStack: minStack(2, 1),
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maxStack: maxStack(2, 1),
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},
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ISZERO: {
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execute: opIszero,
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constantGas: GasFastestStep,
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minStack: minStack(1, 1),
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maxStack: maxStack(1, 1),
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},
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AND: {
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execute: opAnd,
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constantGas: GasFastestStep,
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minStack: minStack(2, 1),
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maxStack: maxStack(2, 1),
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},
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XOR: {
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execute: opXor,
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constantGas: GasFastestStep,
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minStack: minStack(2, 1),
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maxStack: maxStack(2, 1),
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},
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OR: {
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execute: opOr,
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constantGas: GasFastestStep,
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minStack: minStack(2, 1),
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maxStack: maxStack(2, 1),
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},
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NOT: {
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execute: opNot,
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constantGas: GasFastestStep,
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minStack: minStack(1, 1),
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maxStack: maxStack(1, 1),
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},
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BYTE: {
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execute: opByte,
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constantGas: GasFastestStep,
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minStack: minStack(2, 1),
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maxStack: maxStack(2, 1),
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},
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KECCAK256: {
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execute: opKeccak256,
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constantGas: params.Keccak256Gas,
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dynamicGas: gasKeccak256,
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minStack: minStack(2, 1),
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maxStack: maxStack(2, 1),
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memorySize: memoryKeccak256,
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},
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ADDRESS: {
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execute: opAddress,
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constantGas: GasQuickStep,
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minStack: minStack(0, 1),
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maxStack: maxStack(0, 1),
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},
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BALANCE: {
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execute: opBalance,
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constantGas: params.BalanceGasFrontier,
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minStack: minStack(1, 1),
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maxStack: maxStack(1, 1),
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},
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ORIGIN: {
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execute: opOrigin,
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constantGas: GasQuickStep,
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minStack: minStack(0, 1),
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maxStack: maxStack(0, 1),
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},
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CALLER: {
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execute: opCaller,
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constantGas: GasQuickStep,
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minStack: minStack(0, 1),
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maxStack: maxStack(0, 1),
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},
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CALLVALUE: {
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execute: opCallValue,
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constantGas: GasQuickStep,
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minStack: minStack(0, 1),
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maxStack: maxStack(0, 1),
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},
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CALLDATALOAD: {
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execute: opCallDataLoad,
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constantGas: GasFastestStep,
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minStack: minStack(1, 1),
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maxStack: maxStack(1, 1),
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},
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CALLDATASIZE: {
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execute: opCallDataSize,
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constantGas: GasQuickStep,
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minStack: minStack(0, 1),
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maxStack: maxStack(0, 1),
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},
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CALLDATACOPY: {
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execute: opCallDataCopy,
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constantGas: GasFastestStep,
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dynamicGas: gasCallDataCopy,
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minStack: minStack(3, 0),
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maxStack: maxStack(3, 0),
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memorySize: memoryCallDataCopy,
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},
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CODESIZE: {
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execute: opCodeSize,
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constantGas: GasQuickStep,
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minStack: minStack(0, 1),
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maxStack: maxStack(0, 1),
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},
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CODECOPY: {
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execute: opCodeCopy,
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constantGas: GasFastestStep,
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dynamicGas: gasCodeCopy,
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minStack: minStack(3, 0),
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maxStack: maxStack(3, 0),
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memorySize: memoryCodeCopy,
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},
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GASPRICE: {
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execute: opGasprice,
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constantGas: GasQuickStep,
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minStack: minStack(0, 1),
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maxStack: maxStack(0, 1),
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|
},
|
|
EXTCODESIZE: {
|
|
execute: opExtCodeSize,
|
|
constantGas: params.ExtcodeSizeGasFrontier,
|
|
minStack: minStack(1, 1),
|
|
maxStack: maxStack(1, 1),
|
|
},
|
|
EXTCODECOPY: {
|
|
execute: opExtCodeCopy,
|
|
constantGas: params.ExtcodeCopyBaseFrontier,
|
|
dynamicGas: gasExtCodeCopy,
|
|
minStack: minStack(4, 0),
|
|
maxStack: maxStack(4, 0),
|
|
memorySize: memoryExtCodeCopy,
|
|
},
|
|
BLOCKHASH: {
|
|
execute: opBlockhash,
|
|
constantGas: GasExtStep,
|
|
minStack: minStack(1, 1),
|
|
maxStack: maxStack(1, 1),
|
|
},
|
|
COINBASE: {
|
|
execute: opCoinbase,
|
|
constantGas: GasQuickStep,
|
|
minStack: minStack(0, 1),
|
|
maxStack: maxStack(0, 1),
|
|
},
|
|
TIMESTAMP: {
|
|
execute: opTimestamp,
|
|
constantGas: GasQuickStep,
|
|
minStack: minStack(0, 1),
|
|
maxStack: maxStack(0, 1),
|
|
},
|
|
NUMBER: {
|
|
execute: opNumber,
|
|
constantGas: GasQuickStep,
|
|
minStack: minStack(0, 1),
|
|
maxStack: maxStack(0, 1),
|
|
},
|
|
DIFFICULTY: {
|
|
execute: opDifficulty,
|
|
constantGas: GasQuickStep,
|
|
minStack: minStack(0, 1),
|
|
maxStack: maxStack(0, 1),
|
|
},
|
|
GASLIMIT: {
|
|
execute: opGasLimit,
|
|
constantGas: GasQuickStep,
|
|
minStack: minStack(0, 1),
|
|
maxStack: maxStack(0, 1),
|
|
},
|
|
POP: {
|
|
execute: opPop,
|
|
constantGas: GasQuickStep,
|
|
minStack: minStack(1, 0),
|
|
maxStack: maxStack(1, 0),
|
|
},
|
|
MLOAD: {
|
|
execute: opMload,
|
|
constantGas: GasFastestStep,
|
|
dynamicGas: gasMLoad,
|
|
minStack: minStack(1, 1),
|
|
maxStack: maxStack(1, 1),
|
|
memorySize: memoryMLoad,
|
|
},
|
|
MSTORE: {
|
|
execute: opMstore,
|
|
constantGas: GasFastestStep,
|
|
dynamicGas: gasMStore,
|
|
minStack: minStack(2, 0),
|
|
maxStack: maxStack(2, 0),
|
|
memorySize: memoryMStore,
|
|
},
|
|
MSTORE8: {
|
|
execute: opMstore8,
|
|
constantGas: GasFastestStep,
|
|
dynamicGas: gasMStore8,
|
|
memorySize: memoryMStore8,
|
|
minStack: minStack(2, 0),
|
|
maxStack: maxStack(2, 0),
|
|
},
|
|
SLOAD: {
|
|
execute: opSload,
|
|
constantGas: params.SloadGasFrontier,
|
|
minStack: minStack(1, 1),
|
|
maxStack: maxStack(1, 1),
|
|
},
|
|
SSTORE: {
|
|
execute: opSstore,
|
|
dynamicGas: gasSStore,
|
|
minStack: minStack(2, 0),
|
|
maxStack: maxStack(2, 0),
|
|
},
|
|
JUMP: {
|
|
execute: opJump,
|
|
constantGas: GasMidStep,
|
|
minStack: minStack(1, 0),
|
|
maxStack: maxStack(1, 0),
|
|
},
|
|
JUMPI: {
|
|
execute: opJumpi,
|
|
constantGas: GasSlowStep,
|
|
minStack: minStack(2, 0),
|
|
maxStack: maxStack(2, 0),
|
|
},
|
|
PC: {
|
|
execute: opPc,
|
|
constantGas: GasQuickStep,
|
|
minStack: minStack(0, 1),
|
|
maxStack: maxStack(0, 1),
|
|
},
|
|
MSIZE: {
|
|
execute: opMsize,
|
|
constantGas: GasQuickStep,
|
|
minStack: minStack(0, 1),
|
|
maxStack: maxStack(0, 1),
|
|
},
|
|
GAS: {
|
|
execute: opGas,
|
|
constantGas: GasQuickStep,
|
|
minStack: minStack(0, 1),
|
|
maxStack: maxStack(0, 1),
|
|
},
|
|
JUMPDEST: {
|
|
execute: opJumpdest,
|
|
constantGas: params.JumpdestGas,
|
|
minStack: minStack(0, 0),
|
|
maxStack: maxStack(0, 0),
|
|
},
|
|
PUSH1: {
|
|
execute: opPush1,
|
|
constantGas: GasFastestStep,
|
|
minStack: minStack(0, 1),
|
|
maxStack: maxStack(0, 1),
|
|
},
|
|
PUSH2: {
|
|
execute: opPush2,
|
|
constantGas: GasFastestStep,
|
|
minStack: minStack(0, 1),
|
|
maxStack: maxStack(0, 1),
|
|
},
|
|
PUSH3: {
|
|
execute: makePush(3, 3),
|
|
constantGas: GasFastestStep,
|
|
minStack: minStack(0, 1),
|
|
maxStack: maxStack(0, 1),
|
|
},
|
|
PUSH4: {
|
|
execute: makePush(4, 4),
|
|
constantGas: GasFastestStep,
|
|
minStack: minStack(0, 1),
|
|
maxStack: maxStack(0, 1),
|
|
},
|
|
PUSH5: {
|
|
execute: makePush(5, 5),
|
|
constantGas: GasFastestStep,
|
|
minStack: minStack(0, 1),
|
|
maxStack: maxStack(0, 1),
|
|
},
|
|
PUSH6: {
|
|
execute: makePush(6, 6),
|
|
constantGas: GasFastestStep,
|
|
minStack: minStack(0, 1),
|
|
maxStack: maxStack(0, 1),
|
|
},
|
|
PUSH7: {
|
|
execute: makePush(7, 7),
|
|
constantGas: GasFastestStep,
|
|
minStack: minStack(0, 1),
|
|
maxStack: maxStack(0, 1),
|
|
},
|
|
PUSH8: {
|
|
execute: makePush(8, 8),
|
|
constantGas: GasFastestStep,
|
|
minStack: minStack(0, 1),
|
|
maxStack: maxStack(0, 1),
|
|
},
|
|
PUSH9: {
|
|
execute: makePush(9, 9),
|
|
constantGas: GasFastestStep,
|
|
minStack: minStack(0, 1),
|
|
maxStack: maxStack(0, 1),
|
|
},
|
|
PUSH10: {
|
|
execute: makePush(10, 10),
|
|
constantGas: GasFastestStep,
|
|
minStack: minStack(0, 1),
|
|
maxStack: maxStack(0, 1),
|
|
},
|
|
PUSH11: {
|
|
execute: makePush(11, 11),
|
|
constantGas: GasFastestStep,
|
|
minStack: minStack(0, 1),
|
|
maxStack: maxStack(0, 1),
|
|
},
|
|
PUSH12: {
|
|
execute: makePush(12, 12),
|
|
constantGas: GasFastestStep,
|
|
minStack: minStack(0, 1),
|
|
maxStack: maxStack(0, 1),
|
|
},
|
|
PUSH13: {
|
|
execute: makePush(13, 13),
|
|
constantGas: GasFastestStep,
|
|
minStack: minStack(0, 1),
|
|
maxStack: maxStack(0, 1),
|
|
},
|
|
PUSH14: {
|
|
execute: makePush(14, 14),
|
|
constantGas: GasFastestStep,
|
|
minStack: minStack(0, 1),
|
|
maxStack: maxStack(0, 1),
|
|
},
|
|
PUSH15: {
|
|
execute: makePush(15, 15),
|
|
constantGas: GasFastestStep,
|
|
minStack: minStack(0, 1),
|
|
maxStack: maxStack(0, 1),
|
|
},
|
|
PUSH16: {
|
|
execute: makePush(16, 16),
|
|
constantGas: GasFastestStep,
|
|
minStack: minStack(0, 1),
|
|
maxStack: maxStack(0, 1),
|
|
},
|
|
PUSH17: {
|
|
execute: makePush(17, 17),
|
|
constantGas: GasFastestStep,
|
|
minStack: minStack(0, 1),
|
|
maxStack: maxStack(0, 1),
|
|
},
|
|
PUSH18: {
|
|
execute: makePush(18, 18),
|
|
constantGas: GasFastestStep,
|
|
minStack: minStack(0, 1),
|
|
maxStack: maxStack(0, 1),
|
|
},
|
|
PUSH19: {
|
|
execute: makePush(19, 19),
|
|
constantGas: GasFastestStep,
|
|
minStack: minStack(0, 1),
|
|
maxStack: maxStack(0, 1),
|
|
},
|
|
PUSH20: {
|
|
execute: makePush(20, 20),
|
|
constantGas: GasFastestStep,
|
|
minStack: minStack(0, 1),
|
|
maxStack: maxStack(0, 1),
|
|
},
|
|
PUSH21: {
|
|
execute: makePush(21, 21),
|
|
constantGas: GasFastestStep,
|
|
minStack: minStack(0, 1),
|
|
maxStack: maxStack(0, 1),
|
|
},
|
|
PUSH22: {
|
|
execute: makePush(22, 22),
|
|
constantGas: GasFastestStep,
|
|
minStack: minStack(0, 1),
|
|
maxStack: maxStack(0, 1),
|
|
},
|
|
PUSH23: {
|
|
execute: makePush(23, 23),
|
|
constantGas: GasFastestStep,
|
|
minStack: minStack(0, 1),
|
|
maxStack: maxStack(0, 1),
|
|
},
|
|
PUSH24: {
|
|
execute: makePush(24, 24),
|
|
constantGas: GasFastestStep,
|
|
minStack: minStack(0, 1),
|
|
maxStack: maxStack(0, 1),
|
|
},
|
|
PUSH25: {
|
|
execute: makePush(25, 25),
|
|
constantGas: GasFastestStep,
|
|
minStack: minStack(0, 1),
|
|
maxStack: maxStack(0, 1),
|
|
},
|
|
PUSH26: {
|
|
execute: makePush(26, 26),
|
|
constantGas: GasFastestStep,
|
|
minStack: minStack(0, 1),
|
|
maxStack: maxStack(0, 1),
|
|
},
|
|
PUSH27: {
|
|
execute: makePush(27, 27),
|
|
constantGas: GasFastestStep,
|
|
minStack: minStack(0, 1),
|
|
maxStack: maxStack(0, 1),
|
|
},
|
|
PUSH28: {
|
|
execute: makePush(28, 28),
|
|
constantGas: GasFastestStep,
|
|
minStack: minStack(0, 1),
|
|
maxStack: maxStack(0, 1),
|
|
},
|
|
PUSH29: {
|
|
execute: makePush(29, 29),
|
|
constantGas: GasFastestStep,
|
|
minStack: minStack(0, 1),
|
|
maxStack: maxStack(0, 1),
|
|
},
|
|
PUSH30: {
|
|
execute: makePush(30, 30),
|
|
constantGas: GasFastestStep,
|
|
minStack: minStack(0, 1),
|
|
maxStack: maxStack(0, 1),
|
|
},
|
|
PUSH31: {
|
|
execute: makePush(31, 31),
|
|
constantGas: GasFastestStep,
|
|
minStack: minStack(0, 1),
|
|
maxStack: maxStack(0, 1),
|
|
},
|
|
PUSH32: {
|
|
execute: makePush(32, 32),
|
|
constantGas: GasFastestStep,
|
|
minStack: minStack(0, 1),
|
|
maxStack: maxStack(0, 1),
|
|
},
|
|
DUP1: {
|
|
execute: makeDup(1),
|
|
constantGas: GasFastestStep,
|
|
minStack: minDupStack(1),
|
|
maxStack: maxDupStack(1),
|
|
},
|
|
DUP2: {
|
|
execute: makeDup(2),
|
|
constantGas: GasFastestStep,
|
|
minStack: minDupStack(2),
|
|
maxStack: maxDupStack(2),
|
|
},
|
|
DUP3: {
|
|
execute: makeDup(3),
|
|
constantGas: GasFastestStep,
|
|
minStack: minDupStack(3),
|
|
maxStack: maxDupStack(3),
|
|
},
|
|
DUP4: {
|
|
execute: makeDup(4),
|
|
constantGas: GasFastestStep,
|
|
minStack: minDupStack(4),
|
|
maxStack: maxDupStack(4),
|
|
},
|
|
DUP5: {
|
|
execute: makeDup(5),
|
|
constantGas: GasFastestStep,
|
|
minStack: minDupStack(5),
|
|
maxStack: maxDupStack(5),
|
|
},
|
|
DUP6: {
|
|
execute: makeDup(6),
|
|
constantGas: GasFastestStep,
|
|
minStack: minDupStack(6),
|
|
maxStack: maxDupStack(6),
|
|
},
|
|
DUP7: {
|
|
execute: makeDup(7),
|
|
constantGas: GasFastestStep,
|
|
minStack: minDupStack(7),
|
|
maxStack: maxDupStack(7),
|
|
},
|
|
DUP8: {
|
|
execute: makeDup(8),
|
|
constantGas: GasFastestStep,
|
|
minStack: minDupStack(8),
|
|
maxStack: maxDupStack(8),
|
|
},
|
|
DUP9: {
|
|
execute: makeDup(9),
|
|
constantGas: GasFastestStep,
|
|
minStack: minDupStack(9),
|
|
maxStack: maxDupStack(9),
|
|
},
|
|
DUP10: {
|
|
execute: makeDup(10),
|
|
constantGas: GasFastestStep,
|
|
minStack: minDupStack(10),
|
|
maxStack: maxDupStack(10),
|
|
},
|
|
DUP11: {
|
|
execute: makeDup(11),
|
|
constantGas: GasFastestStep,
|
|
minStack: minDupStack(11),
|
|
maxStack: maxDupStack(11),
|
|
},
|
|
DUP12: {
|
|
execute: makeDup(12),
|
|
constantGas: GasFastestStep,
|
|
minStack: minDupStack(12),
|
|
maxStack: maxDupStack(12),
|
|
},
|
|
DUP13: {
|
|
execute: makeDup(13),
|
|
constantGas: GasFastestStep,
|
|
minStack: minDupStack(13),
|
|
maxStack: maxDupStack(13),
|
|
},
|
|
DUP14: {
|
|
execute: makeDup(14),
|
|
constantGas: GasFastestStep,
|
|
minStack: minDupStack(14),
|
|
maxStack: maxDupStack(14),
|
|
},
|
|
DUP15: {
|
|
execute: makeDup(15),
|
|
constantGas: GasFastestStep,
|
|
minStack: minDupStack(15),
|
|
maxStack: maxDupStack(15),
|
|
},
|
|
DUP16: {
|
|
execute: makeDup(16),
|
|
constantGas: GasFastestStep,
|
|
minStack: minDupStack(16),
|
|
maxStack: maxDupStack(16),
|
|
},
|
|
SWAP1: {
|
|
execute: opSwap1,
|
|
constantGas: GasFastestStep,
|
|
minStack: minSwapStack(2),
|
|
maxStack: maxSwapStack(2),
|
|
},
|
|
SWAP2: {
|
|
execute: opSwap2,
|
|
constantGas: GasFastestStep,
|
|
minStack: minSwapStack(3),
|
|
maxStack: maxSwapStack(3),
|
|
},
|
|
SWAP3: {
|
|
execute: opSwap3,
|
|
constantGas: GasFastestStep,
|
|
minStack: minSwapStack(4),
|
|
maxStack: maxSwapStack(4),
|
|
},
|
|
SWAP4: {
|
|
execute: opSwap4,
|
|
constantGas: GasFastestStep,
|
|
minStack: minSwapStack(5),
|
|
maxStack: maxSwapStack(5),
|
|
},
|
|
SWAP5: {
|
|
execute: opSwap5,
|
|
constantGas: GasFastestStep,
|
|
minStack: minSwapStack(6),
|
|
maxStack: maxSwapStack(6),
|
|
},
|
|
SWAP6: {
|
|
execute: opSwap6,
|
|
constantGas: GasFastestStep,
|
|
minStack: minSwapStack(7),
|
|
maxStack: maxSwapStack(7),
|
|
},
|
|
SWAP7: {
|
|
execute: opSwap7,
|
|
constantGas: GasFastestStep,
|
|
minStack: minSwapStack(8),
|
|
maxStack: maxSwapStack(8),
|
|
},
|
|
SWAP8: {
|
|
execute: opSwap8,
|
|
constantGas: GasFastestStep,
|
|
minStack: minSwapStack(9),
|
|
maxStack: maxSwapStack(9),
|
|
},
|
|
SWAP9: {
|
|
execute: opSwap9,
|
|
constantGas: GasFastestStep,
|
|
minStack: minSwapStack(10),
|
|
maxStack: maxSwapStack(10),
|
|
},
|
|
SWAP10: {
|
|
execute: opSwap10,
|
|
constantGas: GasFastestStep,
|
|
minStack: minSwapStack(11),
|
|
maxStack: maxSwapStack(11),
|
|
},
|
|
SWAP11: {
|
|
execute: opSwap11,
|
|
constantGas: GasFastestStep,
|
|
minStack: minSwapStack(12),
|
|
maxStack: maxSwapStack(12),
|
|
},
|
|
SWAP12: {
|
|
execute: opSwap12,
|
|
constantGas: GasFastestStep,
|
|
minStack: minSwapStack(13),
|
|
maxStack: maxSwapStack(13),
|
|
},
|
|
SWAP13: {
|
|
execute: opSwap13,
|
|
constantGas: GasFastestStep,
|
|
minStack: minSwapStack(14),
|
|
maxStack: maxSwapStack(14),
|
|
},
|
|
SWAP14: {
|
|
execute: opSwap14,
|
|
constantGas: GasFastestStep,
|
|
minStack: minSwapStack(15),
|
|
maxStack: maxSwapStack(15),
|
|
},
|
|
SWAP15: {
|
|
execute: opSwap15,
|
|
constantGas: GasFastestStep,
|
|
minStack: minSwapStack(16),
|
|
maxStack: maxSwapStack(16),
|
|
},
|
|
SWAP16: {
|
|
execute: opSwap16,
|
|
constantGas: GasFastestStep,
|
|
minStack: minSwapStack(17),
|
|
maxStack: maxSwapStack(17),
|
|
},
|
|
LOG0: {
|
|
execute: makeLog(0),
|
|
dynamicGas: makeGasLog(0),
|
|
minStack: minStack(2, 0),
|
|
maxStack: maxStack(2, 0),
|
|
memorySize: memoryLog,
|
|
},
|
|
LOG1: {
|
|
execute: makeLog(1),
|
|
dynamicGas: makeGasLog(1),
|
|
minStack: minStack(3, 0),
|
|
maxStack: maxStack(3, 0),
|
|
memorySize: memoryLog,
|
|
},
|
|
LOG2: {
|
|
execute: makeLog(2),
|
|
dynamicGas: makeGasLog(2),
|
|
minStack: minStack(4, 0),
|
|
maxStack: maxStack(4, 0),
|
|
memorySize: memoryLog,
|
|
},
|
|
LOG3: {
|
|
execute: makeLog(3),
|
|
dynamicGas: makeGasLog(3),
|
|
minStack: minStack(5, 0),
|
|
maxStack: maxStack(5, 0),
|
|
memorySize: memoryLog,
|
|
},
|
|
LOG4: {
|
|
execute: makeLog(4),
|
|
dynamicGas: makeGasLog(4),
|
|
minStack: minStack(6, 0),
|
|
maxStack: maxStack(6, 0),
|
|
memorySize: memoryLog,
|
|
},
|
|
CREATE: {
|
|
execute: opCreate,
|
|
constantGas: params.CreateGas,
|
|
dynamicGas: gasCreate,
|
|
minStack: minStack(3, 1),
|
|
maxStack: maxStack(3, 1),
|
|
memorySize: memoryCreate,
|
|
},
|
|
CALL: {
|
|
execute: opCall,
|
|
constantGas: params.CallGasFrontier,
|
|
dynamicGas: gasCall,
|
|
minStack: minStack(7, 1),
|
|
maxStack: maxStack(7, 1),
|
|
memorySize: memoryCall,
|
|
},
|
|
CALLCODE: {
|
|
execute: opCallCode,
|
|
constantGas: params.CallGasFrontier,
|
|
dynamicGas: gasCallCode,
|
|
minStack: minStack(7, 1),
|
|
maxStack: maxStack(7, 1),
|
|
memorySize: memoryCall,
|
|
},
|
|
RETURN: {
|
|
execute: opReturn,
|
|
dynamicGas: gasReturn,
|
|
minStack: minStack(2, 0),
|
|
maxStack: maxStack(2, 0),
|
|
memorySize: memoryReturn,
|
|
},
|
|
SELFDESTRUCT: {
|
|
execute: opSelfdestruct,
|
|
dynamicGas: gasSelfdestruct,
|
|
minStack: minStack(1, 0),
|
|
maxStack: maxStack(1, 0),
|
|
},
|
|
INVALID: {
|
|
execute: opUndefined,
|
|
minStack: minStack(0, 0),
|
|
maxStack: maxStack(0, 0),
|
|
},
|
|
}
|
|
|
|
// Fill all unassigned slots with opUndefined.
|
|
for i, entry := range tbl {
|
|
if entry == nil {
|
|
tbl[i] = &operation{execute: opUndefined, maxStack: maxStack(0, 0), undefined: true}
|
|
}
|
|
}
|
|
|
|
return validate(tbl)
|
|
}
|
|
|
|
func copyJumpTable(source *JumpTable) *JumpTable {
|
|
dest := *source
|
|
for i, op := range source {
|
|
if op != nil {
|
|
opCopy := *op
|
|
dest[i] = &opCopy
|
|
}
|
|
}
|
|
return &dest
|
|
}
|