Recovering BCH from ninki wallet.

gistfile1.txt

#!/bin/sh

# You need to retrieve the hot, the cold and ninki pub using the 
# patch script you'll find on https://github.com/mycroft/ninki-recover
# Fill the inputs, start sweeping, open console, and you'll see outputs like the
# following:
# used path is:  m/0/1000/00
# balance is  0  on this key: 
# address:      32aVrFpfoACPiGFJiLUfkNnbkBoWnGu1Sp
# hot  (priv):  L42FdtAvqUkPNNAbFp7YFc8pbs1TaLQorAPi8vSwWGvaFrbRrxdr
# cold (priv):  L58aryNNUgKvaQJswTdXufqqXZbD4JweMPT5vvfso8J8vVX8qioX
# hot   (pub):  020ad6805b97c88afa8f05f66bc7bdfd0be0fe4721db37a7248c0cee43921f8975
# cold  (pub):  03b03aebc07309392db371cd87d01f3e5c9779f8420c208664988625817f66a117
# ninki (pub):  0341ab3e62575553475bfa6a8cb8b2940a23c54e054255366dd09ad4198b63ed3b# 
# When you have those, fill the keys bellow.


## Edit the following keys:

# Private keys:
HOT_PRIV=
COLD_PRIV=

# Public keys:
HOT_PUB=
COLD_PUB=
NINKI_PUB=
ADDRESS=

# Where your coins are going:
NEW_ADDRESS=

# https://bitcoincash.blockexplorer.com/address/35FynW7vYFvhbeLA2mYH2zHUk9PR5gpDj5
UTXO_TXID=a84dea55686a0cc9cbc07bea345b9f0137a457effd5fc42c5cf65fd397797055
UTXO_TXN=1
SPENT=0.35297486
VALUE=0.35296486

## TEST
# HOT_PRIV=L42FdtAvqUkPNNAbFp7YFc8pbs1TaLQorAPi8vSwWGvaFrbRrxdr
# COLD_PRIV=L58aryNNUgKvaQJswTdXufqqXZbD4JweMPT5vvfso8J8vVX8qioX
# HOT_PUB=020ad6805b97c88afa8f05f66bc7bdfd0be0fe4721db37a7248c0cee43921f8975
# COLD_PUB=03b03aebc07309392db371cd87d01f3e5c9779f8420c208664988625817f66a117
# NINKI_PUB=0341ab3e62575553475bfa6a8cb8b2940a23c54e054255366dd09ad4198b63ed3b

# UTXO_TXID=4586a06afd71bb22110c4891e2c89760e5c302c8ead1676f1ba6560030fcd64b
# UTXO_TXN=0
# SPENT=30
# VALUE=29.999500
# NEW_ADDRESS=bchtest:qzrv9ylf4mn7rufgku0xpq9v5ac5a9plfvphmw2gdv
##

## Do not modify the following code:

set -e

SERVER=xxxx
PORT=xxxx
TESTNET=
BCHTGZ=bitcoin-abc-0.17.0-osx64.tar.gz
BCHURL=https://download.bitcoinabc.org/0.17.0/osx/$BCHTGZ

## TEST
# set -x
# TESTNET=-testnet
# BCHTGZ=bitcoin-abc-0.17.0-x86_64-linux-gnu.tar.gz
# BCHURL=https://download.bitcoinabc.org/0.17.0/linux/$BCHTGZ
# SERVER=shuttle
# PORT=19333
## END TEST

ADDR1_PRIVATE_KEY=$HOT_PRIV
ADDR2_PRIVATE_KEY=$COLD_PRIV

NEW_PUBKEY1=$HOT_PUB
NEW_PUBKEY2=$COLD_PUB
NEW_PUBKEY3=$NINKI_PUB

cd $HOME

if test ! -d abc_recover; then
    mkdir abc_recover
fi

cd abc_recover

if test ! -e $BCHTGZ; then
    echo "Downloading Bitcoin ABC..."
    curl -O $BCHURL
    tar xfz $BCHTGZ
fi

cd bitcoin-abc-0.17.0/bin

CMD="./bitcoin-cli ${TESTNET} -rpcconnect=${SERVER} -rpcport=${PORT} -rpcuser=rpc -rpcpassword=\"xxx\""
alias bch=$CMD

OLD_ADDRESS=$(bch createmultisig 2 "[\"$NEW_PUBKEY1\", \"$NEW_PUBKEY2\", \"$NEW_PUBKEY3\"]" | python -c 'import json,sys;print json.load(sys.stdin)["address"]')
REDEEMSCRIPT=$(bch createmultisig 2 "[\"$NEW_PUBKEY1\", \"$NEW_PUBKEY2\", \"$NEW_PUBKEY3\"]" | python -c 'import json,sys;print json.load(sys.stdin)["redeemScript"]')

echo "Coins come from $OLD_ADDRESS"
echo "Check with https://cashaddr.bitcoincash.org/ to know legacy address!"

RAW_TX=$(bch getrawtransaction $UTXO_TXID $UTXO_TXN)


UTXO_OUTPUT_SCRIPT=$(bch decoderawtransaction $RAW_TX | python -c "import json,sys;print json.load(sys.stdin)[\"vout\"][$UTXO_TXN][\"scriptPubKey\"][\"hex\"]")

# NEW_ADDRESS=$(bch getaccountaddress "")

echo "Your coins will be sent to ${NEW_ADDRESS}"

RAW_TX=$(bch createrawtransaction "[{\"txid\": \"$UTXO_TXID\", \"vout\": $UTXO_TXN}]" "{\"$NEW_ADDRESS\": $VALUE}")

PARTIAL_RAW_TX=$(bch signrawtransaction $RAW_TX "[{\"txid\": \"$UTXO_TXID\", \"vout\": $UTXO_TXN, \"redeemScript\": \"$REDEEMSCRIPT\", \"scriptPubKey\": \"$UTXO_OUTPUT_SCRIPT\", \"amount\": $SPENT}]" "[\"$ADDR1_PRIVATE_KEY\"]" | python -c 'import json,sys;print json.load(sys.stdin)["hex"]')

COMPLETE_TX=$(bch signrawtransaction $PARTIAL_RAW_TX  "[{\"txid\": \"$UTXO_TXID\", \"vout\": $UTXO_TXN, \"redeemScript\": \"$REDEEMSCRIPT\", \"scriptPubKey\": \"$UTXO_OUTPUT_SCRIPT\", \"amount\": $SPENT}]" "[\"$ADDR2_PRIVATE_KEY\"]" | python -c 'import json,sys;print json.load(sys.stdin)["hex"]')

bch signrawtransaction $PARTIAL_RAW_TX  "[{\"txid\": \"$UTXO_TXID\", \"vout\": $UTXO_TXN, \"redeemScript\": \"$REDEEMSCRIPT\", \"scriptPubKey\": \"$UTXO_OUTPUT_SCRIPT\", \"amount\": $SPENT}]" "[\"$ADDR2_PRIVATE_KEY\"]" 

echo
echo "Yout transaction, decoded: "
bch decoderawtransaction ${COMPLETE_TX}

echo
echo "Your transaction: $COMPLETE_TX"

echo
echo "To send (Make it only if absolutely sure!!!"
echo "$CMD sendrawtransaction $COMPLETE_TX"