Permissions (Session Keys)Policies
Timestamp Policy
The timestamp policy specifies the start and end time for when the signer is valid.
API
import { toTimestampPolicy } from "@zerodev/permissions/policies"
// In this example, the signer can send one UserOp per month
const timestampPolicy = toTimestampPolicy({
validAfter: 1704085200, // January 1, 2024 12:00 AM UTC
validUntil: 1735707599, // December 31, 2024 11:59 PM UTC
})
const validator = toPermissionValidator(publicClient, {
entryPoint,
kernelVersion,
signer: someSigner,
policies: [
timestampPolicy,
// ...other policies
],
})Arguments to toTimestampPolicy:
validAfter: the time after which the signer becomes valid. If not specified, the signer is immediately valid.validUntil: the time before which the signer is valid. If not specified, the signer never expires.