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Update 5_2_Resending_a_Transaction_with_RBF.md

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Shannon Appelcline 2017-04-10 14:14:18 -07:00 committed by GitHub
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5_2_Resending_a_Transaction_with_RBF.md
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@ -8,7 +8,7 @@ If your Bitcoin transaction is stuck, and you're sender, you can resend it using
## Opt-In for RBF ## Opt-In for RBF
RBF is an opt-in Bitcoin feature. Transactions are only eligible for using RBF if they've been created with a special RBF flag. This is done by setting their sequence number (which is typically set automatically, so that it's less than 0xffffffff-1. (4294967294). RBF is an opt-in Bitcoin feature. Transactions are only eligible for using RBF if they've been created with a special RBF flag. This is done by setting their sequence number (which is typically set automatically, so that it's more than 0 and less than 0xffffffff-1. (4294967294).
This is simply done by adding a `sequence` variable to the vins: This is simply done by adding a `sequence` variable to the vins:
``` ```
@ -54,14 +54,58 @@ _Should I trust transactions with no confirmations?_ No, never. This was true be
### Optional: Always Opt-In for RBF ### Optional: Always Opt-In for RBF
If you prefer, you can _always_ opt in for RBF. Do so by running your `bitcoind` with the `-walletrbf` command or simply adding it to your bitcoin.conf file: If you prefer, you can _always_ opt in for RBF. Do so by running your `bitcoind` with the `-walletrbf` command. Once you've done this (and restarted your `bitcoind`), then all transactions should have a lower sequence number and be marked as `bip125-replaceable`.
```
walletrbf=1
```
Once you've done this (and restarted your `bitcoind`), then all transactions should have a lower sequence number and be marked as `bip125-replaceable`.
[[THIS NEEDS TO BE FURTHER TESTED; APPARENTLY DOESN'T WORK WITH walletrbf=1 ... haven't checked with the flag]]
Note the following example generated by `bitcoind`, which uses a sequence number of "1":
```
{
"txid": "d261b9494eb29084f668e1abd75d331fc2d6525dd206b2f5236753b5448ca12c",
"hash": "d261b9494eb29084f668e1abd75d331fc2d6525dd206b2f5236753b5448ca12c",
"size": 226,
"vsize": 226,
"version": 2,
"locktime": 0,
"vin": [
{
"txid": "4075dbf84303c01adcb0b36cd2c164e2b447192c2d9fbf5fde3b99d0ac7e64b6",
"vout": 1,
"scriptSig": {
"asm": "3045022100b3a0d66abe3429f81a6dc397369d6ac9cb025a2243b68649d95665967fe4365b022038cf037aaab9368268e97203494d1b542e83101e6aaaf97957daf70dee6ee0af[ALL] 022615f4b6417b991530df4bc8c8ee10b8925c741773fead7a5edd89337caeba53",
"hex": "483045022100b3a0d66abe3429f81a6dc397369d6ac9cb025a2243b68649d95665967fe4365b022038cf037aaab9368268e97203494d1b542e83101e6aaaf97957daf70dee6ee0af0121022615f4b6417b991530df4bc8c8ee10b8925c741773fead7a5edd89337caeba53"
},
"sequence": 1
}
],
"vout": [
{
"value": 0.10000000,
"n": 0,
"scriptPubKey": {
"asm": "OP_DUP OP_HASH160 e7c1345fc8f87c68170b3aa798a956c2fe6a9eff OP_EQUALVERIFY OP_CHECKSIG",
"hex": "76a914e7c1345fc8f87c68170b3aa798a956c2fe6a9eff88ac",
"reqSigs": 1,
"type": "pubkeyhash",
"addresses": [
"n2eMqTT929pb1RDNuqEnxdaLau1rxy3efi"
]
}
},
{
"value": 0.90000000,
"n": 1,
"scriptPubKey": {
"asm": "OP_DUP OP_HASH160 20219e4f3c6bc0f6524d538009e980091b3613e8 OP_EQUALVERIFY OP_CHECKSIG",
"hex": "76a91420219e4f3c6bc0f6524d538009e980091b3613e888ac",
"reqSigs": 1,
"type": "pubkeyhash",
"addresses": [
"miSrC3FvkPPZgqqvCiQycq7io7wTSVsAFH"
]
}
}
]
}
```
> **VERSION WARNING:** The walletrbf flag require Bitcoin Core v.0.14.0. > **VERSION WARNING:** The walletrbf flag require Bitcoin Core v.0.14.0.
## Understand How RBF Works ## Understand How RBF Works