diff options
author | Alex Browne <stephenalexbrowne@gmail.com> | 2018-08-14 09:42:09 +0800 |
---|---|---|
committer | Alex Browne <stephenalexbrowne@gmail.com> | 2018-08-14 09:42:09 +0800 |
commit | 88766a02c7e6688e72d5c4c69ce68028b322f154 (patch) | |
tree | fa06552a80249e7998691b64df6b3b2827f9f947 /packages/contracts/util/crypto.ts | |
parent | 8162394797342cef268cc8072fc860326974e269 (diff) | |
parent | fadd292ecf367e42154856509d0ea0c20b23f2f1 (diff) | |
download | dexon-0x-contracts-88766a02c7e6688e72d5c4c69ce68028b322f154.tar dexon-0x-contracts-88766a02c7e6688e72d5c4c69ce68028b322f154.tar.gz dexon-0x-contracts-88766a02c7e6688e72d5c4c69ce68028b322f154.tar.bz2 dexon-0x-contracts-88766a02c7e6688e72d5c4c69ce68028b322f154.tar.lz dexon-0x-contracts-88766a02c7e6688e72d5c4c69ce68028b322f154.tar.xz dexon-0x-contracts-88766a02c7e6688e72d5c4c69ce68028b322f154.tar.zst dexon-0x-contracts-88766a02c7e6688e72d5c4c69ce68028b322f154.zip |
Merge branch 'development'
Diffstat (limited to 'packages/contracts/util/crypto.ts')
-rw-r--r-- | packages/contracts/util/crypto.ts | 43 |
1 files changed, 0 insertions, 43 deletions
diff --git a/packages/contracts/util/crypto.ts b/packages/contracts/util/crypto.ts deleted file mode 100644 index 97b8f5643..000000000 --- a/packages/contracts/util/crypto.ts +++ /dev/null @@ -1,43 +0,0 @@ -import BN = require('bn.js'); -import ABI = require('ethereumjs-abi'); -import ethUtil = require('ethereumjs-util'); -import * as _ from 'lodash'; - -export const crypto = { - /* - * We convert types from JS to Solidity as follows: - * BigNumber -> uint256 - * number -> uint8 - * string -> string - * boolean -> bool - * valid Ethereum address -> address - */ - solSHA3(args: any[]): Buffer { - return crypto._solHash(args, ABI.soliditySHA3); - }, - solSHA256(args: any[]): Buffer { - return crypto._solHash(args, ABI.soliditySHA256); - }, - _solHash(args: any[], hashFunction: (types: string[], values: any[]) => Buffer) { - const argTypes: string[] = []; - _.each(args, (arg, i) => { - const isNumber = _.isFinite(arg); - if (isNumber) { - argTypes.push('uint8'); - } else if (arg.isBigNumber) { - argTypes.push('uint256'); - args[i] = new BN(arg.toString(10), 10); - } else if (ethUtil.isValidAddress(arg)) { - argTypes.push('address'); - } else if (_.isString(arg)) { - argTypes.push('string'); - } else if (_.isBoolean(arg)) { - argTypes.push('bool'); - } else { - throw new Error(`Unable to guess arg type: ${arg}`); - } - }); - const hash = hashFunction(argTypes, args); - return hash; - }, -}; |