dagurval / cashscript-oracle-giveaway

Example of a "giveaway contract", where anyone can claim the coins in the if Bitcoin Cash reaches a certain USD marked value.

Oracle Giveaway Contract

Example of a "giveaway contract", where anyone can claim the coins in the if Bitcoin Cash reaches a certain USD marked value.

This contract uses an external oracle: https://oracles.cash/

In this example, the contract can be spent from when Bitcoin Cash reaches marked value of 1 BCH >= $250.

Use at own risk.

Usage

At the time of writing, this contract has 1 BCH in it. It will be redeemable if price of BCH goes to $250

View the balance in bitcoincash:pzttkv52fwrkj4ds5w8apkne4vnk3cw0c5xuvh2lyv

Open giveaway.py, update values in REDEEM_ADDRESS and UNLOCKING_SCRIPT.

Oracle message and signature for the unlocking script can be found here: https://oracles.cash/oracles/02d3c1de9d4bc77d6c3608cbe44d10138c7488e592dc2b1e10a6cf0e92c2ecb047

pip3 install bitcoincash
python3 giveaway.py

Changing contract.cash

Install cashc via npm to the CashScript compiler. Run cashc contract.cash to produce new bytecode of the changes you make.