feat: First steps into regtest integration tests

test/integration/README.md

@@ -0,0 +1 @@
+### Early experiments in regtest

test/integration/balance.sh

@@ -0,0 +1,35 @@
+#!/bin/bash
+
+PREFIX_W1='docker exec --user bitcoin bitcoin-server bitcoin-cli -rpcwallet=wallet1.dat -regtest '
+PREFIX_W2='docker exec --user bitcoin bitcoin-server bitcoin-cli -rpcwallet=wallet2.dat -regtest '
+
+# Create address and generate mine blocks
+ADDRESS_1=`$PREFIX_W1 getnewaddress`
+ADDRESS_2=`$PREFIX_W2 getnewaddress`
+$PREFIX_W1 generatetoaddress 101 $ADDRESS_1 > /dev/null 2>&1
+
+echo -e 'Wallet 1 balance'
+$PREFIX_W1 getwalletinfo | grep balance
+
+echo -e '\nWallet 2 balance'
+$PREFIX_W2 getwalletinfo | grep balance
+
+# Wallet one has one UTXO, so this also tests change
+echo -e '\n\nCreate send\n'
+$PREFIX_W1 sendtoaddress $ADDRESS_2 0.3 > /dev/null 2>&1
+
+echo -e 'Wallet 1 balance'
+$PREFIX_W1 getwalletinfo | grep balance
+
+echo -e '\nWallet 2 balance'
+$PREFIX_W2 getwalletinfo | grep balance
+
+echo -e '\n\nMine one block \n'
+$PREFIX_W1 generatetoaddress 1 $ADDRESS_1 > /dev/null 2>&1
+
+echo -e 'Wallet 1 balance'
+$PREFIX_W1 getwalletinfo | grep balance
+
+echo -e '\nWallet 2 balance'
+$PREFIX_W2 getwalletinfo | grep balance
+

test/integration/bitcoind.sh

@@ -0,0 +1,7 @@
+#!/bin/bash
+
+ docker run --rm --name bitcoin-server -it ruimarinho/bitcoin-core \
+  -regtest=1 \
+  -wallet=wallet1.dat \
+  -wallet=wallet2.dat
+