Staking example improvements

[fadeev]

I was wrong about context.origin not containing a full Bitcoin address, so these are the changes to use context.origin directly when staking. We no longer need to set withdrawal address, because it's available through origin.

EVM

Staking

npx hardhat stake --contract 0x5d4501795aB2fA159533b6C2357F106EAB023756 --amount 0.1 --beneficiary 0x2cD3D070aE1BD365909dD859d29F387AA96911e1 --network goerli_testnet

🔑 Using account: 0x2cD3D070aE1BD365909dD859d29F387AA96911e1

🚀 Successfully broadcasted a token transfer transaction on goerli_testnet network.
📝 Transaction hash: 0x54c2f622550ae866cb1efa555ee65658f460806f5be7e9ab37706678b647940f

npx hardhat cctx 0x54c2f622550ae866cb1efa555ee65658f460806f5be7e9ab37706678b647940f

✓ CCTXs on ZetaChain found.

✓ 0x7fd9ccd884a856ed72b64aab139874381f82d11756e80603a2b5616b74e1e9e8: 5 → 7001: OutboundMined (Remote omnichain contract call completed)

Changing Beneficiary

npx hardhat update-beneficiary 0x24FaC07028B4646FC532653aE9d2a9Fa7fc2e9CD --contract 0x5d4501795aB2fA159533b6C2357F106EAB023756 --network goerli_testnet

🔑 Using account: 0x2cD3D070aE1BD365909dD859d29F387AA96911e1

🚀 Successfully broadcasted a token transfer transaction on goerli_testnet network.
📝 Transaction hash: 0x28cab56600becc7b19a511797df13038bd3103a6184b05a50ffa46ac05a48c2a

npx hardhat cctx 0x28cab56600becc7b19a511797df13038bd3103a6184b05a50ffa46ac05a48c2a

✓ CCTXs on ZetaChain found.

✓ 0x709f16454280632f53d80b099762ce3fd4d2eca85bc088c32b0240304ba1818a: 5 → 7001: OutboundMined (Remote omnichain contract call completed)

Unstaking

npx hardhat unstake --contract 0x5d4501795aB2fA159533b6C2357F106EAB023756 --network goerli_testnet 
🔑 Using account: 0x2cD3D070aE1BD365909dD859d29F387AA96911e1

🚀 Successfully broadcasted a token transfer transaction on goerli_testnet network.
📝 Transaction hash: 0x40cbddf61285e8ef42ebcdc6c42f58fa76d4d4d4eb21d7215a980a175f85bddc

npx hardhat cctx 0x40cbddf61285e8ef42ebcdc6c42f58fa76d4d4d4eb21d7215a980a175f85bddc

CCTXs on ZetaChain found.

✓ 0x4ddb065a6d578d9017e52671ab9705acd49f4d36e266c1df7012940625f0dfd6: 5 → 7001: OutboundMined (Remote omnichain contract call completed)
⠧ 0x389e3c690f1939d8c389f8b043679e32b050a4fcf74e0ccf046b856f2c6f61d6: 7001 → 5: PendingOutbound

Bitcoin

Staking

npx hardhat send-btc --amount 0.001 --memo 1FCF62e7C149eE27C26fa3a15cD3321c3C7b93eF012cD3D070aE1BD365909dD859d29F387AA96911e1 --recipient tb1qy9pqmk2pd9sv63g27jt8r657wy0d9ueeh0nqur

npx hardhat cctx 8e92f9f479f262d444edb2c6c7cd79897227e18c6514cfd2dec2c9bfec177625

✓ CCTXs on ZetaChain found.

✓ 0x3db240b7cb37b22c9ad8ec3561815285bf83b67e584715e8449291b85702d3a6: 18332 → 7001: OutboundMined (Remote omnichain contract call completed)

Unstaking

npx hardhat send-btc --amount 0.000 --memo 1FCF62e7C149eE27C26fa3a15cD3321c3C7b93eF02 --recipient tb1qy9pqmk2pd9sv63g27jt8r657wy0d9ueeh0nqur

npx hardhat cctx 59f7709dfc65274bd69777a5ad01d006441c3d07ee900fb460251644d2d44eac

✓ CCTXs on ZetaChain found.

✓ 0xdf46d02493a1d47f30c8844e599602f7f062e04cd7ff5c207c18ab532207683b: 18332 → 7001: OutboundMined (Remote omnichain contract call completed)
⠋ 0x39b083eaf6a74d9895524f4b884d9bd9ace0f32798b994c0785da6923e5e5e68: 7001 → 18332: PendingOutbound