Feature/transaction metadata #523
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,57 @@ | ||
| // Package: web3swift | ||
| // Created by Alex Vlasov. | ||
| // Copyright © 2018 Alex Vlasov. All rights reserved. | ||
| // | ||
| // Additions for metadata by Mark Loit 2022 | ||
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| import Foundation | ||
| import BigInt | ||
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| /// This structure holds additional data | ||
| /// returned by nodes when reading a transaction | ||
| /// from the blockchain. The data here is not | ||
| /// part of the transaction itself | ||
| public struct EthereumMetadata { | ||
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| /// hash for the block that contains this transaction on chain | ||
| var blockHash: Data? | ||
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| /// block number for the block containing this transaction on chain | ||
| var blockNumber: BigUInt? | ||
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| /// index for this transaction within the containing block | ||
| var transactionIndex: UInt? | ||
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| /// hash for this transaction as returned by the node [not computed] | ||
| /// this can be used for validation against the computed hash returned | ||
| /// by the transaction envelope. | ||
| var transactionHash: Data? | ||
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| /// gasPrice value returned by the node | ||
| /// note this is a duplicate value for legacy and EIP-2930 transaction types | ||
| /// but is included here since EIP-1559 does not contain a `gasPrice`, but | ||
| /// nodes still report the value. | ||
| var gasPrice: BigUInt? | ||
| } | ||
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| public extension EthereumMetadata { | ||
| private enum CodingKeys: String, CodingKey { | ||
| case blockHash | ||
| case blockNumber | ||
| case transactionIndex | ||
| case transactionHash | ||
| case gasPrice | ||
| } | ||
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| /// since metadata realistically can only come when a transaction is created from | ||
| /// JSON returned by a node, we only provide an intializer from JSON | ||
| init(from decoder: Decoder) throws { | ||
| let container = try decoder.container(keyedBy: CodingKeys.self) | ||
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| self.blockHash = try container.decodeHexIfPresent(Data.self, forKey: .blockHash) | ||
| self.transactionHash = try container.decodeHexIfPresent(Data.self, forKey: .transactionHash) | ||
| self.transactionIndex = try container.decodeHexIfPresent(UInt.self, forKey: .transactionIndex) | ||
| self.blockNumber = try container.decodeHexIfPresent(BigUInt.self, forKey: .blockNumber) | ||
| self.gasPrice = try container.decodeHexIfPresent(BigUInt.self, forKey: .gasPrice) | ||
| } | ||
| } |
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It's 1559 mistyped to 1159
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indeed, but it's a line being deleted, so no need to fix.