feat(etc): add non-bitgo recovery and unsigned sweep support for etc

[bhupendra11]

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

Note:

• Both recoveries are only tested on mainnet as testnet funds were not available

Transaction
https://etc.blockscout.com/tx/0x1a5ea

Non-Bitgo Recovery

{
  "id": "0xa7fd7b6544b29ecf3251b5c192dae989f2d70924a8fa2b23e39cebf56535b0ea",
  "tx": "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"
}

Broadcasted Transaction on blockchain :

link

Unsigned sweep recovery

Unsigned sweep generated using WRW for mainnet ETC from etcColdWallet to etcWallet1

{
  "txHex": "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",
  "userKey": "xpub661MyMwAqRbcFcH8j6vygQXU3czWH2GnXYLKTXFXrhCLeEsGdR961awYjr3yC8eUj9rqhgFWHVbQJWqZS7kXpLBDzvoCKDLaBujsCH12Zfj",
  "backupKey": "xpub661MyMwAqRbcFzpji9PVJCKCdbPwo5iSiy4sP7gaNe5gBLDpL5nacXLRxAVBUd8qfxd9h6BdCeNBH3Z6beTYN58AZDxGFdQEjCAFASAroXx",
  "coin": "etc",
  "gasPrice": "20000000000",
  "gasLimit": "500000",
  "recipients": [
    {
      "address": "0x4e0bfe6896c219328f90ba4254e373d28a7ed7bc",
      "amount": "50000000000000000"
    }
  ],
  "walletContractAddress": "0xaf3fb10ea8f244924418fa0aa083308a474f411b",
  "amount": "50000000000000000",
  "backupKeyNonce": 3,
  "recipient": {
    "address": "0x4e0bfe6896c219328f90ba4254e373d28a7ed7bc",
    "amount": "50000000000000000"
  },
  "expireTime": 1725618814,
  "contractSequenceId": 11,
  "nextContractSequenceId": 11
}

Successful Half sign tx hash using user priv key in OVC

{
    "halfSigned": {
        "txHex": "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",
        "recipients": [
            {
                "address": "0x4e0bfe6896c219328f90ba4254e373d28a7ed7bc",
                "amount": "50000000000000000"
            }
        ],
        "expiration": 1725618814,
        "contractSequenceId": 11
    },
    "coin": "etc",
    "gasPrice": "20000000000",
    "gasLimit": "500000",
    "feesUsed": {
        "gasPrice": "20000000000",
        "gasLimit": "500000"
    },
    "amount": "50000000000000000",
    "isHalfSigned": true,
    "backupKeyNonce": 3,
    "walletContractAddress": "0xaf3fb10ea8f244924418fa0aa083308a474f411b"
}

Successful full sign tx hash backup priv key in OVC

{
    "txHex": "0xf901cc038504a817c8008307a12094af3fb10ea8f244924418fa0aa083308a474f411b80b90164391252150000000000000000000000004e0bfe6896c219328f90ba4254e373d28a7ed7bc00000000000000000000000000000000000000000000000000b1a2bc2ec5000000000000000000000000000000000000000000000000000000000000000000c00000000000000000000000000000000000000000000000000000000066dada7e000000000000000000000000000000000000000000000000000000000000000b00000000000000000000000000000000000000000000000000000000000000e000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000041f4c051fea645c2e352156a9b98a60d40283737980f73b65a4da0da431d4dd4ef71fd1cecb4097104f11d549c4227179d7d0374c8b9ede7f4874122b8a86292611c00000000000000000000000000000000000000000000000000000000000000819ea01d89d3ab0e6cdd0e7c52e99a20dc461925ec0c5cb3e0ae3253138dd6e3b59692a0593a7f443b7dd29d506f018f0ae8de4657adce98aca4d4e9562da4b5f72c8ba5",
    "coin": "etc",
    "gasPrice": "20000000000",
    "gasLimit": "500000",
    "feesUsed": {
        "gasPrice": "20000000000",
        "gasLimit": "500000"
    },
    "amount": "50000000000000000"
}

Resulted txHash received as response

{
  "apiVersion": "2023-04-25",
  "requestId": "66d1a112e99879dc78a4bbef",
  "context": "",
  "data": {
    "item": {
      "transactionId": "0x08bdd39689bfc46a6a424237a72ff555b99b258b7679f7b5ff3cccd272677a5c"
    }
  }
}

efc7e8782e86b21c8ebc2b6dd8ee24f85

Broadcasted Transaction on blockchain :

link

[dpkjnr]

Changes look fine to me, @bhupendra11 please add details of testing, like screenshot or the confirmed txn