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author | fragosti <francesco.agosti93@gmail.com> | 2018-12-04 06:48:15 +0800 |
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committer | fragosti <francesco.agosti93@gmail.com> | 2018-12-04 06:48:15 +0800 |
commit | 7086bd32ee23f0931be26194eb28af8178f858eb (patch) | |
tree | 53764373a8228b00d88939fdecc6f6a1ae633c9e /contracts/core/test/utils/signing_utils.ts | |
parent | 50bfbda79a312651581f03614c1b4f4cbbe49cf1 (diff) | |
parent | 50df67e7511460f051f91785bb4384485077ef60 (diff) | |
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Merge branch 'development' of https://github.com/0xProject/0x-monorepo into feature/website/instant-configurator
Diffstat (limited to 'contracts/core/test/utils/signing_utils.ts')
-rw-r--r-- | contracts/core/test/utils/signing_utils.ts | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/contracts/core/test/utils/signing_utils.ts b/contracts/core/test/utils/signing_utils.ts new file mode 100644 index 000000000..21f864bfa --- /dev/null +++ b/contracts/core/test/utils/signing_utils.ts @@ -0,0 +1,29 @@ +import { SignatureType } from '@0x/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`); + } + }, +}; |