mirror of https://github.com/status-im/nim-eth.git
78 lines
1.6 KiB
Nim
78 lines
1.6 KiB
Nim
import
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nimcrypto/keccak,
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".."/[common, rlp, keys]
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const
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EIP155_CHAIN_ID_OFFSET* = 35'i64
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func rlpEncodeLegacy(tx: Transaction): auto =
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var w = initRlpWriter()
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w.startList(6)
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w.append(tx.nonce)
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w.append(tx.gasPrice)
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w.append(tx.gasLimit)
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w.append(tx.to)
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w.append(tx.value)
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w.append(tx.payload)
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w.finish()
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func rlpEncodeEip155(tx: Transaction): auto =
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let chainId = (tx.V - EIP155_CHAIN_ID_OFFSET) div 2
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var w = initRlpWriter()
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w.startList(9)
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w.append(tx.nonce)
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w.append(tx.gasPrice)
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w.append(tx.gasLimit)
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w.append(tx.to)
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w.append(tx.value)
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w.append(tx.payload)
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w.append(chainId)
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w.append(0)
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w.append(0)
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w.finish()
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func rlpEncodeEip2930(tx: Transaction): auto =
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var w = initRlpWriter()
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w.append(1)
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w.startList(8)
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w.append(tx.chainId.uint64)
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w.append(tx.nonce)
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w.append(tx.gasPrice)
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w.append(tx.gasLimit)
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w.append(tx.to)
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w.append(tx.value)
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w.append(tx.payload)
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w.append(tx.accessList)
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w.finish()
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func rlpEncodeEip1559(tx: Transaction): auto =
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var w = initRlpWriter()
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w.append(2)
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w.startList(9)
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w.append(tx.chainId.uint64)
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w.append(tx.nonce)
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w.append(tx.maxPriorityFee)
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w.append(tx.maxFee)
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w.append(tx.gasLimit)
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w.append(tx.to)
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w.append(tx.value)
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w.append(tx.payload)
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w.append(tx.accessList)
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w.finish()
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func rlpEncode*(tx: Transaction): auto =
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case tx.txType
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of TxLegacy:
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if tx.V >= EIP155_CHAIN_ID_OFFSET:
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tx.rlpEncodeEIP155
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else:
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tx.rlpEncodeLegacy
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of TxEip2930:
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tx.rlpEncodeEip2930
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of TxEip1559:
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tx.rlpEncodeEip1559
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func txHashNoSignature*(tx: Transaction): Hash256 =
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# Hash transaction without signature
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keccak256.digest(rlpEncode(tx))
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