Hello,
We are trying to publish to rarible…
Our signature gets rejected with the following error:
{“code”:“INCORRECT_SIGNATURE”,“message”:“Maker’s signature is not valid for V2 order”,“status”:400}"
Anyone have any idea how to solve this?
…
const DOMAIN_TYPE = [
{
type: “string”,
name: “name”,
},
{
type: “string”,
name: “version”,
},
{
type: “uint256”,
name: “chainId”,
},
{
type: “address”,
name: “verifyingContract”,
},
];
const orderTypes = {
AssetType: [
{ name: ‘assetClass’, type: ‘bytes4’ },
{ name: ‘data’, type: ‘bytes’ },
],
Asset: [
{ name: ‘assetType’, type: ‘AssetType’ },
{ name: ‘value’, type: ‘uint256’ },
],
Order: [
{ name: ‘maker’, type: ‘address’ },
{ name: ‘makeAsset’, type: ‘Asset’ },
{ name: ‘taker’, type: ‘address’ },
{ name: ‘takeAsset’, type: ‘Asset’ },
{ name: ‘salt’, type: ‘uint256’ },
{ name: ‘start’, type: ‘uint256’ },
{ name: ‘end’, type: ‘uint256’ },
{ name: ‘dataType’, type: ‘bytes4’ },
{ name: ‘data’, type: ‘bytes’ },
],
}
function createTypeData(
domainData,
primaryType,
message,
types
) {
return {
types: Object.assign(
{
EIP712Domain: DOMAIN_TYPE
},
types
),
domain: domainData,
primaryType: primaryType,
message: message
};
}
const data = createTypeData({
name: “Exchange”,
version: “2”,
chainId: “3”,
verifyingContract: verifyingContract
}, ‘Order’, order, orderTypes);
const msgData = JSON.stringify(data);
return (await new Promise(function (resolve,reject) {
function cb(err, result) {
if (err) return reject(err);
if (result.error) return reject(result.error);
const sig = result.result;
const sig0 = sig.substring(2);
const r = “0x” + sig0.substring(0, 64);
const s = “0x” + sig0.substring(64, 128);
const v = parseInt(sig0.substring(128, 130), 16);
resolve({ data, sig, v, r, s });
}
return web3.currentProvider.sendAsync({
method: "eth_signTypedData_v4",
params: [account, msgData],
account
}, cb);
})).sig