Grants permission for another wallet or metagraph to spend up to a specified amount from the user’s wallet in a metagraph token or DAG.
Parameters
Name
Type
Description
Data
Object<AllowSpend>
The allow spend object.
AllowSpend
type AllowSpend = {
source: string; // Wallet address signing the transaction
destination: string; // The destination address
// Must be a metagraph address
amount: number; // The amount to allow spend
// Must be in DATUM
approvers: string[]; // An array with a single DAG address that can atomically approve this operation
// Can be a metagraph or wallet address
currencyId: string | null; // The currency metagraph identifier
// For DAG, this field must be null
fee?: number; // The fee in the currency of the currency metagraph, or DAG.
// If not provided, the default fee will be 0
// Must be in DATUM
validUntilEpoch?: number; // The global snapshot epoch progress for which this is valid until
// If not provided, the default value will be currentEpoch + 30
// Minumum allowed value: currentEpoch + 5
// Maximum allowed value: currentEpoch + 60
};
The currentEpoch value can be pulled from the latest global snapshot. You can use dag4.js to easily get it:
