mirror of
https://github.com/ethereum/go-ethereum.git
synced 2026-06-21 06:04:33 +00:00
46 lines
No EOL
1.4 KiB
Go
46 lines
No EOL
1.4 KiB
Go
package contracts
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import (
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"fmt"
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"strings"
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"time"
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"github.com/ethereum/go-ethereum/accounts/abi"
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"github.com/ethereum/go-ethereum/common"
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blockSignerContract "github.com/ethereum/go-ethereum/contracts/blocksigner/contract"
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"github.com/ethereum/go-ethereum/core/state"
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"github.com/ethereum/go-ethereum/core/types"
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)
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var (
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slotBlockSignerMapping = map[string]uint64{
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"blockSigners": 0,
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"blocks": 1,
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}
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ParsedBlockSignerABI, _ = abi.JSON(strings.NewReader(blockSignerContract.BlockSignerABI))
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)
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func GetSigners(statedb *state.StateDB, block *types.Block) []common.Address {
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methodName := "getSigners"
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fmt.Printf("---%s---\n", methodName)
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start := time.Now()
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slot := slotBlockSignerMapping["blockSigners"]
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keys := []common.Hash{}
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keyArrSlot := getLocMappingAtKey(block.Hash(), slot)
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arrSlot := statedb.GetState(common.HexToAddress(common.BlockSigners), common.BigToHash(keyArrSlot))
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arrLength := arrSlot.Big().Uint64()
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for i := uint64(0); i < arrLength; i++ {
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key := getLocDynamicArrAtElement(common.BigToHash(keyArrSlot), i, 1)
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keys = append(keys, key)
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}
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rets := []common.Address{}
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for _, key := range keys {
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ret := statedb.GetState(common.HexToAddress(common.BlockSigners), key)
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rets = append(rets, common.HexToAddress(ret.Hex()))
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fmt.Printf("%v\n", common.HexToAddress(ret.Hex()).Hex())
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}
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elapsed := time.Since(start)
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fmt.Printf("Execution time: %s\n", elapsed)
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return rets
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} |