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joinmarket: automatically generate wallet

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nixbitcoin 2020-09-11 11:53:12 +00:00
parent d6d3e8ff62
commit d0701f518c
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6 changed files with 66 additions and 5 deletions
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19
modules/joinmarket.nix
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@ -143,13 +143,30 @@ in {
wantedBy = [ "multi-user.target" ];
requires = [ "bitcoind.service" ];
after = [ "bitcoind.service" ];
path = [ pkgs.sudo ];
serviceConfig = nix-bitcoin-services.defaultHardening // {
ExecStartPre = nix-bitcoin-services.privileged ''
install -o '${cfg.user}' -g '${cfg.group}' -m 640 ${configFile} ${cfg.dataDir}/joinmarket.cfg
sed -i \
"s|@@RPC_PASSWORD@@|rpc_password = $(cat ${config.nix-bitcoin.secretsDir}/bitcoin-rpcpassword-privileged)|" \
"s|@@RPC_PASSWORD@@|rpc_password = $(cat ${secretsDir}/bitcoin-rpcpassword-privileged)|" \
'${cfg.dataDir}/joinmarket.cfg'
'';
ExecStartPost = nix-bitcoin-services.privileged ''
walletname=wallet.jmdat
pw=$(cat "${secretsDir}"/jm-wallet-password)
mnemonic=${secretsDir}/jm-wallet-seed
if [[ ! -f ${cfg.dataDir}/wallets/$walletname ]]; then
echo Create joinmarket wallet
# Use bash variables so commands don't proceed on previous failures
# (like with pipes)
cd ${cfg.dataDir} && \
out=$(sudo -u ${cfg.user} \
${pkgs.nix-bitcoin.joinmarket}/bin/jm-genwallet \
--datadir=${cfg.dataDir} $walletname $pw)
recoveryseed=$(echo "$out" | grep 'recovery_seed')
echo "$recoveryseed" | cut -d ':' -f2 > $mnemonic
fi
'';
ExecStart = "${pkgs.nix-bitcoin.joinmarket}/bin/joinmarketd";
WorkingDirectory = "${cfg.dataDir}"; # The service creates 'commitmentlist' in the working dir
User = "${cfg.user}";