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https://github.com/logos-messaging/logos-delivery.git
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ce918b0819
* change all usage of std.options.Option[T] to results.Opt[T] * fix broken apps and examples (to validate refactor) * removed all std/options code added for libp2p v2 migration * add broker Opt codec to persistency/backend_comm.nim * add a readValue overload for Opt[T] in tools/confutils/cli_args.nim * keep Option where required (Presto, confutils' config_file.nim) * Change generateRlnProof error handling * Fix imports
32 lines
1.1 KiB
Nim
32 lines
1.1 KiB
Nim
import results, web3, chronos, stew/byteutils
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proc deployContract*(
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web3: Web3, code: string, gasPrice = 0, contractInput = ""
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): Future[ReceiptObject] {.async.} =
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# the contract input is the encoded version of contract constructor's input
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# use nim-web3/encoding.nim module to find the appropriate encoding procedure for different argument types
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# e.g., consider the following contract constructor in solidity
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# constructor(uint256 x, uint256 y)
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#
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# the contractInput can be calculated as follows
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# let
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# x = 1.u256
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# y = 5.u256
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# contractInput = encode(x).data & encode(y).data
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# Note that the order of encoded inputs should match the order of the constructor inputs
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let provider = web3.provider
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let accounts = await provider.eth_accounts()
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var code = code
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if code[1] notin {'x', 'X'}:
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code = "0x" & code
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var tr: TransactionArgs
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tr.`from` = Opt.some(web3.defaultAccount)
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let sData = code & contractInput
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tr.data = Opt.some(hexToSeqByte(sData))
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if gasPrice != 0:
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tr.gasPrice = Opt.some(gasPrice.Quantity)
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let r = await web3.send(tr)
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return await web3.getMinedTransactionReceipt(r)
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