feat(sdk-coin-etc): unsigned sweep support and fullsign support for etc via ovc

[bhupendra11]

TICKET: COIN-1595

Testing :

• Used this change as a beta dependency in WRW and verified the creation of unsigned sweep for Mainnet
• Used this change using yarn link in OVC to create half and then full signed transaction
• Published the full signed transaction on mainnet

Unsigned sweep recovery

Half signed tx hash using user-priv key

{
    "halfSigned": {
        "txHex": "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",
        "recipients": [
            {
                "address": "0x4e0bfe6896c219328f90ba4254e373d28a7ed7bc",
                "amount": "41000000000000000"
            }
        ],
        "expiration": 1725429942,
        "contractSequenceId": 10
    },
    "coin": "etc",
    "gasPrice": "20000000000",
    "gasLimit": "500000",
    "feesUsed": {
        "gasPrice": "20000000000",
        "gasLimit": "500000"
    },
    "amount": "41000000000000000",
    "isHalfSigned": true,
    "backupKeyNonce": 2,
    "walletContractAddress": "0xaf3fb10ea8f244924418fa0aa083308a474f411b"
}

Full sign tx hash backup-priv key

{
    "txHex": "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",
    "coin": "etc",
    "gasPrice": "20000000000",
    "gasLimit": "500000",
    "feesUsed": {
        "gasPrice": "20000000000",
        "gasLimit": "500000"
    },
    "amount": "41000000000000000"
}

resulted txHash received as response

{
    "apiVersion": "2023-04-25",
    "requestId": "66cec31bf1f8573719b634e0",
    "context": "broadcastETC",
    "data": {
        "item": {
            "transactionId": "0x1a5ea9cf5af25634191eb21b2d9187eefc7e8782e86b21c8ebc2b6dd8ee24f85"
        }
    }
}

efc7e8782e86b21c8ebc2b6dd8ee24f85

Broadcasted Transaction on blockchain :

link

[mukeshsp]

please verify the withdraw after bumping on prod