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author | Amir Bandeali <abandeali1@gmail.com> | 2018-06-27 10:12:43 +0800 |
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committer | Amir Bandeali <abandeali1@gmail.com> | 2018-06-30 09:05:40 +0800 |
commit | 2fcc36bbadcb8238ee292afc58c2cd460d1b69da (patch) | |
tree | 235d3f2b361194a2e9ba41c4981a35daa99ac863 /packages/contracts/test/utils/signing_utils.ts | |
parent | 762c0143eb10306ca70b0f206e80eb9aed925f99 (diff) | |
download | dexon-0x-contracts-2fcc36bbadcb8238ee292afc58c2cd460d1b69da.tar.gz dexon-0x-contracts-2fcc36bbadcb8238ee292afc58c2cd460d1b69da.tar.zst dexon-0x-contracts-2fcc36bbadcb8238ee292afc58c2cd460d1b69da.zip |
Update file structure
Diffstat (limited to 'packages/contracts/test/utils/signing_utils.ts')
-rw-r--r-- | packages/contracts/test/utils/signing_utils.ts | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/packages/contracts/test/utils/signing_utils.ts b/packages/contracts/test/utils/signing_utils.ts new file mode 100644 index 000000000..9c711c72c --- /dev/null +++ b/packages/contracts/test/utils/signing_utils.ts @@ -0,0 +1,29 @@ +import { SignatureType } from '@0xproject/types'; +import * as ethUtil from 'ethereumjs-util'; + +export const signingUtils = { + signMessage(message: Buffer, privateKey: Buffer, signatureType: SignatureType): Buffer { + if (signatureType === SignatureType.EthSign) { + const prefixedMessage = ethUtil.hashPersonalMessage(message); + const ecSignature = ethUtil.ecsign(prefixedMessage, privateKey); + const signature = Buffer.concat([ + ethUtil.toBuffer(ecSignature.v), + ecSignature.r, + ecSignature.s, + ethUtil.toBuffer(signatureType), + ]); + return signature; + } else if (signatureType === SignatureType.EIP712) { + const ecSignature = ethUtil.ecsign(message, privateKey); + const signature = Buffer.concat([ + ethUtil.toBuffer(ecSignature.v), + ecSignature.r, + ecSignature.s, + ethUtil.toBuffer(signatureType), + ]); + return signature; + } else { + throw new Error(`${signatureType} is not a valid signature type`); + } + }, +}; |