Create and sign a multisig transaction on a Bitcoin like cryptocurrency.
Budget: $30 – $250 USD
You have to create 3 scripts that:
1). will create a partial/unsigned transaction to spend from a 2-of-3 multisig address (already with funds) with Bitwasp PHP library.
2) create a script with bitcoinjs-lib that will take the above created tx hex and sign with one private key.
3) create a script with bitcoinjs-lib that will take the above signed tx's hex and sign the transaction with the final priv key in order to be ready to be broadcasted ( as hex ).
More technical details in the PDF attached, like private keys and stuff that you can work with.
My budget is around $50.
If you know what you are doing, it should be very simple since there are plenty of examples with these libraries.
1). will create a partial/unsigned transaction to spend from a 2-of-3 multisig address (already with funds) with Bitwasp PHP library.
2) create a script with bitcoinjs-lib that will take the above created tx hex and sign with one private key.
3) create a script with bitcoinjs-lib that will take the above signed tx's hex and sign the transaction with the final priv key in order to be ready to be broadcasted ( as hex ).
More technical details in the PDF attached, like private keys and stuff that you can work with.
My budget is around $50.
If you know what you are doing, it should be very simple since there are plenty of examples with these libraries.