A WalletConnect implementation that uses CashRPC payloads and methods.
A WalletConnect implementation that uses CashRPC payloads and methods.
TODO
``ts
// Instantiate an instance of the Cash Connect Wallet Service.
const cashConnectWallet = new CashConnectWallet(
// Master Private Key
// NOTE: Each service will derive its own "sandboxed" key for use using:
// sha256(sha256(masterPrivateKey) + sha256(':cashconnect:' + domain));
privateKey,
// WC Project ID
projectId,
// WC Metadata
metadata,
// UI Event callbacks.
// NOTE: Throw an exception to reject approval.
{
onSessionProposal: async (proposalEvent) => {
// TODO: Display the proposal and request approval.
},
onSessionsUpdated: async (sessions) => {
// TODO: Update UI to show active sessions.
},
onRPCRequest: async (session, request, response) => {
// TODO: Display the request and request approval.
},
onError: async (error) => {
// TODO: Display the error.
}
},
// CashRPC Options/Hooks
{
// Network-related
network: {
getSourceOutput: (transactionHash, outpointIndex) {
// TODO: Retrieve source output from Network (e.g. Electrum).
// Expects LibAuth Output.
return {
valueSatoshis: 1000n,
lockingBytecode: new Uint8Array(),
token: {
category: new Uint8Array();
amount: 1000n,
}
}
}
},
// Wallet-related
wallet: {
// Get a list of unspents (UTXOs) belonging to the wallet.
getUnspents: () => {
// TODO: Retrieve a list of UTXOs from Network or Wallet-state.
// Return an array of these unspents.
// NOTE: Each UTXO MUST use a template for the unlocking script.
return [{
outpointTransactionHash: utxo.txid,
outpointIndex: utxo.vout,
lockingBytecode: utxo.lockingBytecode,
unlockingBytecode: {
template: authenticationTemplateP2pkhNonHd,
valueSatoshis: utxo.valueSatoshis,
script: 'unlock',
data: {
keys: {
privateKeys: {
key: walletsPrivateKey,
},
},
},
token,
}
}]
},
// Get the change template to when constructing Change Outputs.
getChangeTemplate: () => {
return {
template: authenticationTemplateP2pkhNonHd,
data: {
keys: {
privateKeys: {
key: walletsPrivateKey
}
}
}
}
}
}
}
);
// Start the Wallet Service.
await cashConnectWallet.start();
``
For an example Wallet Integration, see the Cashonize Repository.