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Merge pull request #437 from JoKeyser/develop

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Two typo fixes in Ch 12.
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Andreas M. Antonopoulos 2018-02-02 12:39:23 -08:00 committed by GitHub
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@ -263,7 +263,7 @@ The funding transaction consumes one or more inputs from Emma's wallet, sourcing
Once the funding transaction is confirmed, Emma can start streaming video. Emma's software creates and signs a commitment transaction that changes the channel balance to credit 0.01 millibit to Fabian's address and refund 35.99 millibits back to Emma. The transaction signed by Emma consumes the 36 millibits output created by the funding transaction and creates two outputs: one for her refund, the other for Fabian's payment. The transaction is only partially signed—it requires two signatures (2-of-2), but only has Emma's signature. When Fabian's server receives this transaction, it adds the second signature (for the 2-of-2 input) and returns it to Emma together with 1 second worth of video. Now both parties have a fully signed commitment transaction that either can redeem, representing the correct up-to-date balance of the channel. Neither party broadcasts this transaction to the network. Once the funding transaction is confirmed, Emma can start streaming video. Emma's software creates and signs a commitment transaction that changes the channel balance to credit 0.01 millibit to Fabian's address and refund 35.99 millibits back to Emma. The transaction signed by Emma consumes the 36 millibits output created by the funding transaction and creates two outputs: one for her refund, the other for Fabian's payment. The transaction is only partially signed—it requires two signatures (2-of-2), but only has Emma's signature. When Fabian's server receives this transaction, it adds the second signature (for the 2-of-2 input) and returns it to Emma together with 1 second worth of video. Now both parties have a fully signed commitment transaction that either can redeem, representing the correct up-to-date balance of the channel. Neither party broadcasts this transaction to the network.
In the next round, Emma's software creates and signs another commitment transaction (commitment #2) that consumes the _same_ 2-of-2 output from the funding transaction. The second commitment transaction allocates one output of 0.2 millibits to Fabian's address and one output of 35.98 millibits back to Emma's address. This new transaction is payment for two cumulative seconds of video. Fabian's software signs and returns the second commitment transaction, together with the another second of video. In the next round, Emma's software creates and signs another commitment transaction (commitment #2) that consumes the _same_ 2-of-2 output from the funding transaction. The second commitment transaction allocates one output of 0.02 millibits to Fabian's address and one output of 35.98 millibits back to Emma's address. This new transaction is payment for two cumulative seconds of video. Fabian's software signs and returns the second commitment transaction, together with another second of video.
In this way, Emma's software continues to send commitment transactions to Fabian's server in exchange for streaming video. The balance of the channel gradually accumulates in favor of Fabian, as Emma consumes more seconds of video. Let's say Emma watches 600 seconds (10 minutes) of video, creating and signing 600 commitment transactions. The last commitment transaction (#600) will have two outputs, splitting the balance of the channel, 6 millibits to Fabian and 30 millibits to Emma. In this way, Emma's software continues to send commitment transactions to Fabian's server in exchange for streaming video. The balance of the channel gradually accumulates in favor of Fabian, as Emma consumes more seconds of video. Let's say Emma watches 600 seconds (10 minutes) of video, creating and signing 600 commitment transactions. The last commitment transaction (#600) will have two outputs, splitting the balance of the channel, 6 millibits to Fabian and 30 millibits to Emma.