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clarify payment replay

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This commit is contained in:
Florian Dold 2016-08-26 02:48:47 +02:00
parent be9b3b11de
commit 1a6f39f407
1 changed files with 3 additions and 3 deletions
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6
articles/ui/ui.tex
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@ -935,9 +935,9 @@ process (either via JavaScript or using {\tt 402 Payment Required}, see Figure~\
Since the fulfillment URL refers to a contract that typically is already known
to the user's wallet, it suffices to pass the contract hash (instead of
full contract) to the wallet.
If the wallet remembers paying for the contract previously, this
causes the wallet to retransmit the signed coins that are associated
with the purchase to the merchant.
If the user previously approved paying for the contract with this hash, the
wallet will (re-)transmit the signed coins that are associated
with the contract to the merchant.
When a user visits a fulfillment URL without having the associated
contract in their wallet, the wallet redirects the browser to the {\em