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//
// Simple Bitcoin Payment Protocol messages
//
// Use fields 100+ for extensions;
// to avoid conflicts, register extensions at:
// https://en.bitcoin.it/wiki/Payment_Request
//
syntax = "proto2";
package payments;
option java_package = "org.bitcoin.protocols.payments";
option java_outer_classname = "Protos";
// Generalized form of "send payment to this/these bitcoin addresses"
message Output {
optional uint64 amount = 1 [default = 0]; // amount is integer-number-of-satoshis
required bytes script = 2; // usually one of the standard Script forms
}
message PaymentDetails {
optional string network = 1 [default = "main"]; // "main" or "test"
repeated Output outputs = 2; // Where payment should be sent
required uint64 time = 3; // Timestamp; when payment request created
optional uint64 expires = 4; // Timestamp; when this request should be considered invalid
optional string memo = 5; // Human-readable description of request for the customer
optional string payment_url = 6; // URL to send Payment and get PaymentACK
optional bytes merchant_data = 7; // Arbitrary data to include in the Payment message
}
message PaymentRequest {
optional uint32 payment_details_version = 1 [default = 1];
optional string pki_type = 2 [default = "none"]; // none / x509+sha256 / x509+sha1
optional bytes pki_data = 3; // depends on pki_type
required bytes serialized_payment_details = 4; // PaymentDetails
optional bytes signature = 5; // pki-dependent signature
}
message X509Certificates {
repeated bytes certificate = 1; // DER-encoded X.509 certificate chain
}
message Payment {
optional bytes merchant_data = 1; // From PaymentDetails.merchant_data
repeated bytes transactions = 2; // Signed transactions that satisfy PaymentDetails.outputs
repeated Output refund_to = 3; // Where to send refunds, if a refund is necessary
optional string memo = 4; // Human-readable message for the merchant
}
message PaymentACK {
required Payment payment = 1; // Payment message that triggered this ACK
optional string memo = 2; // human-readable message for customer
}