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Gavin Andresen 171ca7745e estimatefee / estimatepriority RPC methods New RPC methods: return an estimate of the fee (or priority) a transaction needs to be likely to confirm in a given number of blocks. Mike Hearn created the first version of this method for estimating fees. It works as follows: For transactions that took 1 to N (I picked N=25) blocks to confirm, keep N buckets with at most 100 entries in each recording the fees-per-kilobyte paid by those transactions. (separate buckets are kept for transactions that confirmed because they are high-priority) The buckets are filled as blocks are found, and are saved/restored in a new fee_estiamtes.dat file in the data directory. A few variations on Mike's initial scheme: To estimate the fee needed for a transaction to confirm in X buckets, all of the samples in all of the buckets are used and a median of all of the data is used to make the estimate. For example, imagine 25 buckets each containing the full 100 entries. Those 2,500 samples are sorted, and the estimate of the fee needed to confirm in the very next block is the 50'th-highest-fee-entry in that sorted list; the estimate of the fee needed to confirm in the next two blocks is the 150'th-highest-fee-entry, etc. That algorithm has the nice property that estimates of how much fee you need to pay to get confirmed in block N will always be greater than or equal to the estimate for block N+1. It would clearly be wrong to say "pay 11 uBTC and you'll get confirmed in 3 blocks, but pay 12 uBTC and it will take LONGER". A single block will not contribute more than 10 entries to any one bucket, so a single miner and a large block cannot overwhelm the estimates.		11 years ago
..
python-bitcoinrpc	Fix regression tests	11 years ago
.gitignore	Python-based regression tests	11 years ago
README.md	Removed LevelDB changes	11 years ago
conflictedbalance.sh	Add licenses for tests and test data	11 years ago
listtransactions.py	Fix regression tests	11 years ago
netutil.py	Add Python test for -rpcbind and -rpcallowip	11 years ago
rpcbind_test.py	Add Python test for -rpcbind and -rpcallowip	11 years ago
send.sh	Add licenses for tests and test data	11 years ago
skeleton.py	Fix regression tests	11 years ago
smartfees.py	estimatefee / estimatepriority RPC methods	11 years ago
txnmall.sh	Add licenses for tests and test data	11 years ago
util.py	estimatefee / estimatepriority RPC methods	11 years ago
util.sh	Add licenses for tests and test data	11 years ago
wallet.sh	Add licenses for tests and test data	11 years ago
walletbackup.sh	Add licenses for tests and test data	11 years ago

README.md

Regression tests of RPC interface

python-bitcoinrpc

Git subtree of https://github.com/jgarzik/python-bitcoinrpc. Changes to python-bitcoinrpc should be made upstream, and then pulled here using git subtree.

skeleton.py

Copy this to create new regression tests.

listtransactions.py

Tests for the listtransactions RPC call.

Bash-based tests, to be ported to Python:

wallet.sh : Exercise wallet send/receive code.
walletbackup.sh : Exercise wallet backup / dump / import
txnmall.sh : Test proper accounting of malleable transactions
conflictedbalance.sh : More testing of malleable transaction handling

Notes

A 200-block -regtest blockchain and wallets for four nodes is created the first time a regression test is run and is stored in the cache/ directory. Each node has 25 mature blocks (25*50=1250 BTC) in their wallet.

After the first run, the cache/ blockchain and wallets are copied into a temporary directory and used as the initial test state.

If you get into a bad state, you should be able to recover with:

rm -rf cache
killall bitcoind