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Update web3_sha3 to use nimcrypto

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coffeepots 2018-05-25 16:36:18 +01:00
parent ef53b52c9e
commit 3ec16e743a
1 changed files with 17 additions and 6 deletions
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23
eth-rpc/server/ethprocs.nim
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@ -1,4 +1,4 @@
import servertypes, cryptoutils, json, stint, ../ethtypes.nim import servertypes, nimcrypto, json, stint, ../ethtypes.nim, strutils
#[ #[
For details on available RPC calls, see: https://github.com/ethereum/wiki/wiki/JSON-RPC For details on available RPC calls, see: https://github.com/ethereum/wiki/wiki/JSON-RPC
@ -12,14 +12,18 @@ import servertypes, cryptoutils, json, stint, ../ethtypes.nim
Changes might be required for parameter types. Changes might be required for parameter types.
For example: For example:
* String might be more appropriate than seq[byte], for example for addresses, although would need length constraints. * String might be more appropriate than seq[byte], for example for addresses, although would need length constraints.
* It might be worth replacing array[X, byte] with the equivilent stInt/stUInt.
* Int return values might actually be more hex string than int. * Int return values might actually be more hex string than int.
* UInt256/Int256 * array[32, byte] could be UInt256 or Int256, but default to UInt256.
* Objects such as BlockObject and TransactionObject might be better as the existing Nimbus objects * EthTypes such as BlockObject and TransactionObject might be better as existing Nimbus objects if present.
NOTE: NOTE:
* as `from` is a keyword, this has been replaced with `source` for variable names. * as `from` is a keyword, this has been replaced with `source` for variable names. TODO: Related - eplace `to` with `dest`?
TODO:
* Some values can be returned as different types (eg, int or bool)
* Currently implemented as variant types, but server macros need to support
initialisation of these types before any use as `kind` can only be
specified once without invoking `reset`.
]# ]#
var server = sharedRpcServer() var server = sharedRpcServer()
@ -33,7 +37,14 @@ server.rpc("web3_sha3") do(data: string) -> string:
## ##
## data: the data to convert into a SHA3 hash. ## data: the data to convert into a SHA3 hash.
## Returns the SHA3 result of the given string. ## Returns the SHA3 result of the given string.
result = k256(data) # TODO: Capture error on malformed input
var rawData: seq[byte]
if data.len > 2 and data[0] == '0' and data[1] in ['x', 'X']:
rawData = data[2..data.high].fromHex
else:
rawData = data.fromHex
# data will have 0x prefix
result = "0x" & $keccak_256.digest(rawData)
server.rpc("net_version") do() -> string: server.rpc("net_version") do() -> string:
## Returns string of the current network id: ## Returns string of the current network id: