docs/offline_wallets

   1 Here is how to sign a transaction with an offline Electrum wallet.
   2
   3 1. With your online (seedless) wallet, create the transaction using mktx:
   4
   5 ./electrum mktx 1Cpf9zb5Rm5Z5qmmGezn6ERxFWvwuZ6UCx 0.1
   6 {
   7     "complete": false,
   8     "hex": "010000000296f054a6eccd3051444aec20e9c5c9b58739e70c7d958e4eb03587acf99d02e70000000000ffffffffdf350752fe6e27534633bb59327d9feb347756fe8d6e5b0b56312aca57df0eb30000000000ffffffff02f4345c35000000001976a914aaf437e25805f288141bfcdc27887ee5492bd13188ac80969800000000001976a91481acc8b7f9ec7cbf45a02dd8b758c6ac6a1481ca88ac00000000",
   9     "input_info": "[{'scriptPubKey':'76a91411bbdc6e3a27c44644d83f783ca7df3bdc2778e688ac','electrumKeyID':(15,False),'vout':0,'txid':u'e7029df9ac8735b04e8e957d0ce73987b5c9c5e920ec4a445130cdeca654f096'},{'scriptPubKey':'76a914aaf437e25805f288141bfcdc27887ee5492bd13188ac','electrumKeyID':(112,True),'vout':0,'txid':u'b30edf57ca2a31560b5b6e8dfe567734eb9f7d3259bb334653276efe520735df'}]"
  10 }
  11
  12 Note that returned json contains the unsigned tx in "hex". The field
  13 "complete" is false because the transaction is not signed, and
  14 "input_info" contains parameters that need to be passed to the offline
  15 wallet so that it knows which private keys to generate.
  16
  17 2. Sign the transaction with your offline wallet: pass "hex" and "input_info" to 'signrawtransaction':
  18
  19 ./electrum signrawtransaction 010000000296f054a6eccd3051444aec20e9c5c9b58739e70c7d958e4eb03587acf99d02e70000000000ffffffffdf350752fe6e27534633bb59327d9feb347756fe8d6e5b0b56312aca57df0eb30000000000ffffffff0280969800000000001976a91481acc8b7f9ec7cbf45a02dd8b758c6ac6a1481ca88acf4345c35000000001976a914aaf437e25805f288141bfcdc27887ee5492bd13188ac00000000 "[{'scriptPubKey':'76a91411bbdc6e3a27c44644d83f783ca7df3bdc2778e688ac','electrumKeyID':(15,False),'vout':0,'txid':u'e7029df9ac8735b04e8e957d0ce73987b5c9c5e920ec4a445130cdeca654f096'},{'scriptPubKey':'76a914aaf437e25805f288141bfcdc27887ee5492bd13188ac','electrumKeyID':(112,True),'vout':0,'txid':u'b30edf57ca2a31560b5b6e8dfe567734eb9f7d3259bb334653276efe520735df'}]"
  20 Password:
  21 {
  22     "complete": true,
  23     "hex": "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"
  24 }
  25
  26 The command returns a fully signed transaction, as indicated by the "complete" field.
  27 This transaction can be sent to the network with 'sendrawtransaction'