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Include missing RBF information

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Rob Riddle 2018-03-15 13:32:19 -04:00
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@ -4,6 +4,8 @@ In addition to JSON payment protocol, BitPay Bitcoin and Bitcoin Cash invoices u
one additional field which specifies the fee rate the transaction must have in order to be accepted. This minimum fee is required to ensure a reasonable confirmation time for payments which are sent to BitPay.
To further ensure this we also require payments be made with confirmed inputs. Payments using unconfirmed inputs, such as unconfirmed change, will be rejected. Bitcoin (BTC) invoices are temporarily exempt from these rules to allow wallets time to adjust.
Since RBF payments can be modified after they are broadcast, they will also be rejected by our payment protocol server. Make sure to disable the RBF flag for any transactions sent to BitPay.
* `required_fee_rate` - The minimum fee per byte required on your transaction. Bitcoin Cash payments will be rejected if fee rate included for the transaction is not at least this value. _May be fractional value_ ie 0.123 sat/byte
## Application Logic