379 lines
10 KiB
Nim
379 lines
10 KiB
Nim
import
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std/[tables],
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eth/keys,
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stew/endians2,
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nimcrypto/sha2,
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chronicles,
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./engine_client,
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./cancun/blobs,
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../../../nimbus/transaction,
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../../../nimbus/common,
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../../../nimbus/utils/utils
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type
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BaseTx* = object of RootObj
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recipient*: Option[EthAddress]
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gasLimit* : GasInt
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amount* : UInt256
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payload* : seq[byte]
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txType* : Option[TxType]
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BigInitcodeTx* = object of BaseTx
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initcodeLength*: int
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padByte* : uint8
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initcode* : seq[byte]
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# Blob transaction creator
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BlobTx* = object of BaseTx
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gasFee* : GasInt
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gasTip* : GasInt
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blobGasFee*: UInt256
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blobID* : BlobID
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blobCount* : int
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TestAccount* = object
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key* : PrivateKey
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address*: EthAddress
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index* : int
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TxSender* = ref object
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accounts: seq[TestAccount]
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nonceMap: Table[EthAddress, uint64]
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txSent : int
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chainId : ChainID
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MakeTxParams* = object
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chainId*: ChainID
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key* : PrivateKey
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nonce* : AccountNonce
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CustSig* = object
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V*: int64
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R*: UInt256
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S*: UInt256
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CustomTransactionData* = object
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nonce* : Option[uint64]
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gasPriceOrGasFeeCap*: Option[GasInt]
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gasTipCap* : Option[GasInt]
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gas* : Option[GasInt]
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to* : Option[common.EthAddress]
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value* : Option[UInt256]
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data* : Option[seq[byte]]
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chainId* : Option[ChainId]
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signature* : Option[CustSig]
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const
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TestAccountCount = 1000
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gasPrice* = 30.gwei
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gasTipPrice* = 1.gwei
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func toAddress(key: PrivateKey): EthAddress =
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toKeyPair(key).pubkey.toCanonicalAddress()
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proc createAccount(idx: int): TestAccount =
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let
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seed = toBytesBE(idx.uint64)
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seedHash = sha256.digest(seed)
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result.index = idx
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result.key = PrivateKey.fromRaw(seedHash.data).valueOr:
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echo error
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quit(QuitFailure)
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result.address = toAddress(result.key)
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proc createAccounts(sender: TxSender) =
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for i in 0..<TestAccountCount:
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sender.accounts.add createAccount(i.int)
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proc getNextAccount*(sender: TxSender): TestAccount =
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sender.accounts[sender.txSent mod sender.accounts.len]
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proc getNextNonce(sender: TxSender, address: EthAddress): uint64 =
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let nonce = sender.nonceMap.getOrDefault(address, 0'u64)
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sender.nonceMap[address] = nonce + 1
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nonce
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proc getLastNonce(sender: TxSender, address: EthAddress): uint64 =
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sender.nonceMap.getOrDefault(address, 0'u64)
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proc fillBalance(sender: TxSender, params: NetworkParams) =
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for x in sender.accounts:
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params.genesis.alloc[x.address] = GenesisAccount(
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balance: UInt256.fromHex("0x123450000000000000000"),
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)
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proc new*(_: type TxSender, params: NetworkParams): TxSender =
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result = TxSender(chainId: params.config.chainID)
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result.createAccounts()
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result.fillBalance(params)
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proc getTxType(tc: BaseTx, nonce: uint64): TxType =
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if tc.txType.isNone:
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if nonce mod 2 == 0:
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TxLegacy
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else:
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TxEIP1559
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else:
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tc.txType.get
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proc makeTx(params: MakeTxParams, tc: BaseTx): Transaction =
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const
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gasFeeCap = gasPrice
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gasTipCap = gasTipPrice
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let txType = tc.getTxType(params.nonce)
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# Build the transaction depending on the specified type
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let tx = if txType == TxLegacy:
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Transaction(
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txType : TxLegacy,
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nonce : params.nonce,
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to : tc.recipient,
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value : tc.amount,
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gasLimit: tc.gasLimit,
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gasPrice: gasPrice,
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payload : tc.payload
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)
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else:
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Transaction(
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txType : TxEIP1559,
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nonce : params.nonce,
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gasLimit: tc.gasLimit,
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maxFee : gasFeeCap,
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maxPriorityFee: gasTipCap,
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to : tc.recipient,
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value : tc.amount,
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payload : tc.payload,
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chainId : params.chainID
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)
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signTransaction(tx, params.key, params.chainID, eip155 = true)
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proc makeTx(params: MakeTxParams, tc: BigInitcodeTx): Transaction =
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var tx = tc
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if tx.payload.len == 0:
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# Prepare initcode payload
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if tx.initcode.len != 0:
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doAssert(tx.initcode.len <= tx.initcodeLength, "invalid initcode (too big)")
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tx.payload = tx.initcode
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while tx.payload.len < tx.initcodeLength:
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tx.payload.add tx.padByte
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doAssert(tx.recipient.isNone, "invalid configuration for big contract tx creator")
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params.makeTx(tx.BaseTx)
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proc makeTx*(sender: TxSender, tc: BaseTx, nonce: AccountNonce): Transaction =
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let acc = sender.getNextAccount()
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let params = MakeTxParams(
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chainId: sender.chainID,
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key: acc.key,
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nonce: nonce
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)
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params.makeTx(tc)
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proc makeTx*(sender: TxSender, tc: BigInitcodeTx, nonce: AccountNonce): Transaction =
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let acc = sender.getNextAccount()
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let params = MakeTxParams(
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chainId: sender.chainID,
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key: acc.key,
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nonce: nonce
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)
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params.makeTx(tc)
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proc makeNextTx*(sender: TxSender, tc: BaseTx): Transaction =
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let
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acc = sender.getNextAccount()
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nonce = sender.getNextNonce(acc.address)
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params = MakeTxParams(
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chainId: sender.chainID,
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key: acc.key,
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nonce: nonce
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)
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params.makeTx(tc)
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proc sendNextTx*(sender: TxSender, client: RpcClient, tc: BaseTx): bool =
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let tx = sender.makeNextTx(tc)
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let rr = client.sendTransaction(tx)
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if rr.isErr:
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error "sendNextTx: Unable to send transaction", msg=rr.error
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return false
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inc sender.txSent
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return true
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proc sendTx*(sender: TxSender, client: RpcClient, tc: BaseTx, nonce: AccountNonce): bool =
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let
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acc = sender.getNextAccount()
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params = MakeTxParams(
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chainId: sender.chainID,
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key: acc.key,
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nonce: nonce
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)
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tx = params.makeTx(tc)
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let rr = client.sendTransaction(tx)
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if rr.isErr:
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error "sendTx: Unable to send transaction", msg=rr.error
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return false
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inc sender.txSent
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return true
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proc sendTx*(sender: TxSender, client: RpcClient, tc: BigInitcodeTx, nonce: AccountNonce): bool =
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let
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acc = sender.getNextAccount()
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params = MakeTxParams(
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chainId: sender.chainID,
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key: acc.key,
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nonce: nonce
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)
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tx = params.makeTx(tc)
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let rr = client.sendTransaction(tx)
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if rr.isErr:
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error "Unable to send transaction", msg=rr.error
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return false
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inc sender.txSent
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return true
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proc sendTx*(client: RpcClient, tx: Transaction): bool =
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let rr = client.sendTransaction(tx)
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if rr.isErr:
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error "Unable to send transaction", msg=rr.error
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return false
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return true
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proc makeTx*(params: MakeTxParams, tc: BlobTx): Transaction =
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# Need tx wrap data that will pass blob verification
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let data = blobDataGenerator(tc.blobID, tc.blobCount)
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doAssert(tc.recipient.isSome, "nil recipient address")
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# Collect fields for transaction
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let
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gasFeeCap = if tc.gasFee != 0.GasInt: tc.gasFee
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else: gasPrice
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gasTipCap = if tc.gasTip != 0.GasInt: tc.gasTip
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else: gasTipPrice
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let unsignedTx = Transaction(
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txType : TxEip4844,
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chainId : params.chainID,
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nonce : params.nonce,
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maxPriorityFee: gasTipCap,
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maxFee : gasFeeCap,
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gasLimit : tc.gasLimit,
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to : tc.recipient,
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value : tc.amount,
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payload : tc.payload,
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maxFeePerBlobGas: tc.blobGasFee,
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versionedHashes: data.hashes,
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)
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var tx = signTransaction(unsignedTx, params.key, params.chainID, eip155 = true)
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tx.networkPayload = NetworkPayload(
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blobs : data.blobs,
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commitments: data.commitments,
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proofs : data.proofs,
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)
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tx
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proc getAccount*(sender: TxSender, idx: int): TestAccount =
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sender.accounts[idx]
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proc sendTx*(sender: TxSender, acc: TestAccount, client: RpcClient, tc: BlobTx): Result[Transaction, void] =
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let
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params = MakeTxParams(
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chainId: sender.chainID,
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key: acc.key,
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nonce: sender.getNextNonce(acc.address),
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)
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tx = params.makeTx(tc)
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let rr = client.sendTransaction(tx)
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if rr.isErr:
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error "Unable to send transaction", msg=rr.error
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return err()
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inc sender.txSent
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return ok(tx)
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proc replaceTx*(sender: TxSender, acc: TestAccount, client: RpcClient, tc: BlobTx): Result[Transaction, void] =
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let
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params = MakeTxParams(
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chainId: sender.chainID,
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key: acc.key,
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nonce: sender.getLastNonce(acc.address),
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)
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tx = params.makeTx(tc)
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let rr = client.sendTransaction(tx)
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if rr.isErr:
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error "Unable to send transaction", msg=rr.error
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return err()
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inc sender.txSent
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return ok(tx)
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proc makeTx*(sender: TxSender, tc: BaseTx, acc: TestAccount, nonce: AccountNonce): Transaction =
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let
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params = MakeTxParams(
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chainId: sender.chainID,
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key: acc.key,
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nonce: nonce,
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)
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params.makeTx(tc)
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proc customizeTransaction*(sender: TxSender,
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acc: TestAccount,
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baseTx: Transaction,
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custTx: CustomTransactionData): Transaction =
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# Create a modified transaction base, from the base transaction and custTx mix
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var modTx = baseTx
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if custTx.nonce.isSome:
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modTx.nonce = custTx.nonce.get.AccountNonce
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if custTx.gasPriceOrGasFeeCap.isSome:
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modTx.gasPrice = custTx.gasPriceOrGasFeeCap.get.GasInt
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if custTx.gas.isSome:
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modTx.gasLimit = custTx.gas.get.GasInt
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if custTx.to.isSome:
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modTx.to = custTx.to
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if custTx.value.isSome:
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modTx.value = custTx.value.get
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if custTx.data.isSome:
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modTx.payload = custTx.data.get
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if custTx.signature.isSome:
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let signature = custTx.signature.get
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modTx.V = signature.V
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modTx.R = signature.R
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modTx.S = signature.S
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if baseTx.txType in {TxEip1559, TxEip4844}:
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if custTx.chainID.isSome:
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modTx.chainID = custTx.chainID.get
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if custTx.gasPriceOrGasFeeCap.isSome:
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modTx.maxFee = custTx.gasPriceOrGasFeeCap.get.GasInt
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if custTx.gasTipCap.isSome:
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modTx.maxPriorityFee = custTx.gasTipCap.get.GasInt
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if baseTx.txType == TxEip4844:
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if modTx.to.isNone:
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var address: EthAddress
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modTx.to = some(address)
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if custTx.signature.isNone:
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return signTransaction(modTx, acc.key, modTx.chainID, eip155 = true)
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return modTx
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