mirror of https://github.com/status-im/nim-eth.git
135 lines
3.3 KiB
Nim
135 lines
3.3 KiB
Nim
# Nimbus
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# Copyright (c) 2024 Status Research & Development GmbH
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# Licensed under either of
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# * Apache License, version 2.0, ([LICENSE-APACHE](LICENSE-APACHE) or
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# http://www.apache.org/licenses/LICENSE-2.0)
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# * MIT license ([LICENSE-MIT](LICENSE-MIT) or
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# http://opensource.org/licenses/MIT)
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# at your option. This file may not be copied, modified, or distributed except
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# according to those terms.
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{.used.}
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import
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stew/byteutils,
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results,
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unittest2,
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../../eth/common,
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../../eth/rlp,
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../../eth/common/[keys, transactions_rlp]
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const
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recipient = address"095e7baea6a6c7c4c2dfeb977efac326af552d87"
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source = address"0x0000000000000000000000000000000000000001"
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storageKey= default(Bytes32)
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accesses = @[AccessPair(address: source, storageKeys: @[storageKey])]
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abcdef = hexToSeqByte("abcdef")
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authList = @[Authorization(
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chainID: 1.ChainId,
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address: source,
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nonce: 2.AccountNonce,
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yParity: 3,
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R: 4.u256,
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S: 5.u256
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)]
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proc tx0(i: int): Transaction =
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Transaction(
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txType: TxEip7702,
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chainId: 1.ChainId,
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nonce: i.AccountNonce,
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maxPriorityFeePerGas: 2.GasInt,
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maxFeePerGas: 3.GasInt,
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gasLimit: 4.GasInt,
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to: Opt.some recipient,
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value: 5.u256,
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payload: abcdef,
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accessList: accesses,
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authorizationList: authList
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)
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func `==`(a, b: ChainId): bool =
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a.uint64 == b.uint64
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template roundTrip(txFunc: untyped, i: int) =
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let tx = txFunc(i)
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let bytes = rlp.encode(tx)
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let tx2 = rlp.decode(bytes, Transaction)
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let bytes2 = rlp.encode(tx2)
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check bytes == bytes2
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template read[T](rlp: var Rlp, val: var T) =
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val = rlp.read(type val)
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proc read[T](rlp: var Rlp, val: var Opt[T]) =
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if rlp.blobLen != 0:
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val = Opt.some(rlp.read(T))
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else:
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rlp.skipElem
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proc readTx(rlp: var Rlp, tx: var Transaction) =
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rlp.tryEnterList()
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tx.chainId = rlp.read(uint64).ChainId
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rlp.read(tx.nonce)
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rlp.read(tx.maxPriorityFeePerGas)
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rlp.read(tx.maxFeePerGas)
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rlp.read(tx.gasLimit)
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rlp.read(tx.to)
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rlp.read(tx.value)
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rlp.read(tx.payload)
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rlp.read(tx.accessList)
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rlp.read(tx.authorizationList)
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proc decodeTxEip7702(bytes: openArray[byte]): Transaction =
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var rlp = rlpFromBytes(bytes)
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result.txType = TxType(rlp.getByteValue)
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rlp.position += 1
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readTx(rlp, result)
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suite "Transaction EIP-7702 tests":
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test "Tx RLP roundtrip":
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roundTrip(tx0, 1)
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test "Tx Sign":
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const
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keyHex = "63b508a03c3b5937ceb903af8b1b0c191012ef6eb7e9c3fb7afa94e5d214d376"
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var
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tx = tx0(2)
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let
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privateKey = PrivateKey.fromHex(keyHex).expect("valid key")
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rlpTx = rlpEncode(tx)
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sig = sign(privateKey, rlpTx).toRaw
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tx.V = sig[64].uint64
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tx.R = UInt256.fromBytesBE(sig[0..31])
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tx.S = UInt256.fromBytesBE(sig[32..63])
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let
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bytes = rlp.encode(tx)
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decodedTx = rlp.decode(bytes, Transaction)
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decodedNoSig = decodeTxEip7702(rlpTx)
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var
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expectedTx = tx0(2)
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check expectedTx == decodedNoSig
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expectedTx.V = tx.V
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expectedTx.R = tx.R
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expectedTx.S = tx.S
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check expectedTx == tx
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test "Receipt RLP roundtrip":
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let rec = Receipt(
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receiptType: Eip7702Receipt,
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isHash: false,
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status: false,
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cumulativeGasUsed: 100.GasInt)
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let bytes = rlp.encode(rec)
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let zz = rlp.decode(bytes, Receipt)
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let bytes2 = rlp.encode(zz)
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check bytes2 == bytes
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