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| -rw-r--r-- | bip-0070.mediawiki | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/bip-0070.mediawiki b/bip-0070.mediawiki index 84a8559..b541cbc 100644 --- a/bip-0070.mediawiki +++ b/bip-0070.mediawiki @@ -156,6 +156,11 @@ If the customer authorizes payment, then the Bitcoin client: # If PaymentDetails.payment_url is specified, POST a Payment message to that URL. The Payment message is serialized and sent as the body of the POST request. Errors communicating with the payment_url server should be communicated to the user. +The merchant's server should handle receiving multiple copies of the same Payment +message in response to a single PaymentRequest. This is required to ensure that in +case of a transport level failure during transmission, recovery is possible by +re-sending the Payment message. The endpoint URL must remain valid for at least +the same period of time as the original PaymentRequest. PaymentDetails.payment_url should be secure against man-in-the-middle attacks that might alter Payment.refund_to (if using HTTP, it must be |