sCrypt

Delegate to a Script

Previously, we have introduced two ways to delegate the right to spend one’s bitcoin: one at Script level, the other at transaction level.

We generalize the former to delegate to any script/smart contract, instead of a public key only. It allows one to authorize arbitrary smart contract to spend one’s bitcoin.

The full code is shown below:

Contract DelegateToScript

Line 9 checks the delegated script is signed and thus authorized by the owner. Line 12 and 13 ensure the delegated script goes into the spending transaction’s output as the new locking script using OP_PUSH_TX, similar to the emulation of Pay to Script Hash (P2SH).

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sCrypt

sCrypt

sCrypt Inc (https://scrypt.io) is a company with a mission to provide integrated on-chain smart contracting solutions using the original BitCoin Protocol on BSV