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⚙️ Widget Advanced
Sign an EIP712 message
How to ask users to sign an EIP712 structured message.
The object that can ask the user his approval is called a
Signer, once we've created a Signer object we can use the Signer to sign the EIP712 message.Function
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//Creating the signer
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venlyConnect.createSigner();
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//Asking the signer to sign a message.
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signer.signEip712({
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walletId: '<WALLET_ID>',
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secretType: '<BLOCKCHAIN>',
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data : <YOUR JSON STRUCTERED EIP712 DATA>
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})
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Example
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const signer = venlyConnect.createSigner();
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signer.signEip712({
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walletId: 'c8ec9954-fa1a-4682-9cf8-ef5c1015d1d1',
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secretType: 'ETHEREUM',
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data : {
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"types": {
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"EIP712Domain": [
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{
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"name": "name",
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"type": "string"
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},
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{
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"name": "version",
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"type": "string"
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},
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{
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"type": "address"
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},
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{
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"name": "salt",
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"type": "bytes32"
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}
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],
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"MetaTransaction": [
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{
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"name": "nonce",
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"type": "uint256"
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},
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{
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"name": "from",
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"type": "address"
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},
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{
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"type": "bytes"
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}
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]
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},
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"name": "verifyingContract",
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"name": "functionSignature",
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"domain": {
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"name": "Digimon",
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"version": "1",
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"verifyingContract": "0x0096100f27d5ed9a3455b54af3934df07b58b506",
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"salt": "0x0000000000000000000000000000000000000000000000000000000000013881"
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},
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"primaryType": "MetaTransaction",
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"message": {
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"nonce": 0,
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"from": "0xeB947ED047020F3C2982d35Ac2a8EbE8A7330282",
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"functionSignature": "0xf242432a000000000000000000000000eb947ed047020f3c2982d35ac2a8ebe8a73302820000000000000000000000008fe26c6ff544bee01f41e6f87e6d0ead0ad274050000000000000000000000000000000000000000000000000000000000000065000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000a00000000000000000000000000000000000000000000000000000000000000000"
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}
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}
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})
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Returns
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{
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result: {
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r: "0xc5e7a538a353c53e839ed0a2cf7b726806114b637ad1c527046adfc92fecf0d8"
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s: "0x551041e78e3b3d4432f653d708965d34aceaf067255d9cc5970283b00d5f95e0"
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signature: "0xc5e7a538a353c53e839ed0a2cf7b726806114b637ad1c527046adfc92fecf0d8551041e78e3b3d4432f653d708965d34aceaf067255d9cc5970283b00d5f95e01b"
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v: "0x1b"
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}
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status: "SUCCESS"
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}
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Function Reference
The function reference describes the different functions that are available in the Widget. For each function you can find the signature, it's parameters, and possible options documented.
Last modified 2mo ago
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