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Missing chainid in signTypedDataV4 and V3 #371

@EmmanuelAdeiza

Description

@EmmanuelAdeiza

For signTypedDatav4 and v3, it doesn't work when I try other injected wallets. Only worked with Metamask wallet.
This is the data received for V4.

{"domain":{"chainId":"NaN","name":"Ether Mail","verifyingContract":"0xCcCCccccCCCCcCCCCCCcCcCccCcCCCcCcccccccC","version":"1"},"message":{"contents":"Hello, Bob!","from":{"name":"Cow","wallets":["0xCD2a3d9F938E13CD947Ec05AbC7FE734Df8DD826","0xDeaDbeefdEAdbeefdEadbEEFdeadbeEFdEaDbeeF"]},"to":[{"name":"Bob","wallets":["0xbBbBBBBbbBBBbbbBbbBbbbbBBbBbbbbBbBbbBBbB","0xB0BdaBea57B0BDABeA57b0bdABEA57b0BDabEa57","0xB0B0b0b0b0b0B000000000000000000000000000"]}],"attachment":"0x"},"primaryType":"Mail","types":{"EIP712Domain":[{"name":"name","type":"string"},{"name":"version","type":"string"},{"name":"chainId","type":"uint256"},{"name":"verifyingContract","type":"address"}],"Group":[{"name":"name","type":"string"},{"name":"members","type":"Person[]"}],"Mail":[{"name":"from","type":"Person"},{"name":"to","type":"Person[]"},{"name":"contents","type":"string"},{"name":"attachment","type":"bytes"}],"Person":[{"name":"name","type":"string"},{"name":"wallets","type":"address[]"}]}}

And when I try to add the chainId the verify doesn't work and breaks on the web with this message.

index.js:2691 ParserError: Unable to encode value: Invalid number. Expected a valid number value, but received "NaN".
    at getBigInt (number.js:75:1)
    at Object.encode (number.js:110:1)
    at types.reduce.staticBuffer (packer.js:86:1)
    at Array.reduce (<anonymous>)
    at pack (packer.js:77:53)
    at encode (abi.js:79:1)
    at encodeData (sign-typed-data.js:242:1)
    at hashStruct (sign-typed-data.js:301:1)
    at eip712DomainHash (sign-typed-data.js:349:1)
    at Object.eip712Hash (sign-typed-data.js:367:1)

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