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Add contracts

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This commit is contained in:
Guillaume Ballet 2019-01-17 14:25:01 +01:00
parent d25d14ac63
commit a5947288bc
9 changed files with 196 additions and 17 deletions
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23
core/vm/contracts.go
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@ -66,14 +66,14 @@ var PrecompiledContractsByzantium = map[common.Address]PrecompiledContract{
// PrecompiledContractsEWASM contains the default set of pre-compiled Ethereum
// contracts used for Ethereum 1.x release.
var PrecompiledContractsEWASM = map[common.Address]PrecompiledContract{
common.BytesToAddress([]byte{1}): newEWASMPrecompile(ewasmEcrecoverCode),
common.BytesToAddress([]byte{1}): newEWASMPrecompile(ewasmEcRecoverCode),
common.BytesToAddress([]byte{2}): newEWASMPrecompile(ewasmSha256HashCode),
common.BytesToAddress([]byte{3}): newEWASMPrecompile(ewasmRipemd160hashCode),
common.BytesToAddress([]byte{4}): newEWASMPrecompile(ewasmDataCopyCode),
common.BytesToAddress([]byte{5}): newEWASMPrecompile(ewasmBigModExpCode),
common.BytesToAddress([]byte{6}): newEWASMPrecompile(ewasmBn256AddCode),
common.BytesToAddress([]byte{7}): newEWASMPrecompile(ewasmBn256ScalarMulCode),
common.BytesToAddress([]byte{8}): newEWASMPrecompile(ewasmBn256PairingCode),
common.BytesToAddress([]byte{4}): newEWASMPrecompile(ewasmIdentityCode),
common.BytesToAddress([]byte{5}): newEWASMPrecompile(ewasmExpModCode),
common.BytesToAddress([]byte{6}): newEWASMPrecompile(ewasmEcAddCode),
common.BytesToAddress([]byte{7}): newEWASMPrecompile(ewasmEcMulCode),
common.BytesToAddress([]byte{8}): newEWASMPrecompile(ewasmEcPairingCode),
}
// RunPrecompiledContract runs and evaluates the output of a precompiled contract.
@ -92,17 +92,6 @@ type ewasmPrecompile struct {
vm *exec.VM
}
var (
ewasmEcrecoverCode = []byte{}
ewasmSha256HashCode = []byte{}
ewasmRipemd160hashCode = []byte{}
ewasmDataCopyCode = []byte{}
ewasmBigModExpCode = []byte{}
ewasmBn256AddCode = []byte{}
ewasmBn256ScalarMulCode = []byte{}
ewasmBn256PairingCode = []byte{}
)
func newEWASMPrecompile(code []byte) *ewasmPrecompile {
module, err := wasm.ReadModule(bytes.NewReader(code), nil)
if err != nil {

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core/vm/ewasm_precompile_ecadd.go Normal file
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core/vm/ewasm_precompile_ecmul.go Normal file
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core/vm/ewasm_precompile_ecpairing.go Normal file
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core/vm/ewasm_precompile_ecrecover.go Normal file
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core/vm/ewasm_precompile_expmod.go Normal file
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core/vm/ewasm_precompile_identity.go Normal file
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core/vm/ewasm_precompile_ripemd160hash.go Normal file
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core/vm/ewasm_precompile_sha256.go Normal file
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