Feature/recover wallet

[Jwata]

• Implemented an option to recover DLC wallet for mainnet QA.
  • create wallet using seed and regenerate addresses one by one
    https://github.com/p2pderivatives/dlc/pull/105/files#diff-91bf7b1b051d9ad1fcbd3daf4976a2ddR33
• manually tested on testnet

Recovery steps

Create wallet

dlccli wallets create \                                                                                                                                                                                          
    --conf ./conf/bitcoin.testnet.conf \
    --walletdir ./wallets/testnet \
    --walletname "alice_recover" \
    --privpass "priv_alice" \
    --pubpass "pub_alice" \
    —seed 791729bd1e8dbdc31d0603f9116ab18bd701e02c78094b262ffe73af837a0446

Import address to temporal DLC wallet

dlccli wallets addresses import \
    --conf ./conf/bitcoin.testnet.conf \
    --walletdir ./wallets/testnet \
    --walletname "alice_recover" \
    --pubpass "pub_alice" \
    --address tb1qwwrtlm034ecmauf5x5ktzjw8zz0v7wufqpmccs

Import address to bitcoind

# rescan=true by default
bitcoin-cli -conf=bitcoin.testnet.conf -datadir=./bitcoind \
    importaddress tb1qwwrtlm034ecmauf5x5ktzjw8zz0v7wufqpmccs

Check balance

dlccli wallets balance \
    --conf ./conf/bitcoin.testnet.conf \
    --walletdir ./wallets/testnet \
    --walletname "alice_recover" \
    --pubpass "pub_alice"