modified: Getting-Started-with-MMGen.md
modified: Home.md new file: MMGen-Quick-Start-with-Regtest-Mode.md modified: Recovering-Keys-Without-MMGen.md
philemon
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@ -4,7 +4,7 @@
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* <a href='#a_bb'>Before you begin</a>
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* <a href='#a_iv'>Invocation</a>
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* <a href='#a_cf'>Configuration file</a>
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* <a href='#a_ts'>Testnet and regtest mode</a>
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* <a href='#a_ts'>Bob and Alice regtest mode</a>
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#### <a href='#a_bo'>Basic Operations</a>
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* <a href='#a_gw'>Generate an MMGen wallet</a>
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@ -79,7 +79,7 @@ wish to edit at some point to customize MMGen to your needs. These settings
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include the maximum transaction fee; the user name, password and hostname
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used for communicating with bitcoind; and a number of others.
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#### <a name='a_ts'>Testnet and regtest mode</a>
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#### <a name='a_ts'>Bob and Alice regtest mode</a>
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If you just want to quickly try out MMGen, it's possible to perform all wallet
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generation, wallet format conversion, address and key generation, and address
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@ -89,67 +89,14 @@ balance.
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If you want to practice creating, signing and sending transactions, however, as
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well as tracking balances, you'll need a fully synced blockchain and some actual
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coins to play with. To avoid risking real funds, it's *highly recommended* to
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practice transaction operations on [testnet][04] or in [regtest mode][05] until
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you feel confident you know what you're doing.
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practice transaction operations using **Bob and Alice regtest mode** until you
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feel confident you know what you're doing.
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**Testnet** is just like the real Bitcoin network, but testnet coins have no
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monetary value. Free testnet coins may be obtained at
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[https://tpfaucet.appspot.com][02].
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To use MMGen with testnet, you must first start bitcoind with the `-testnet`
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option and sync the testnet blockchain (about 12GB at the time of writing). To
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force any MMGen command to use testnet just add the `--testnet=1` option after
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the command name. Or just set the `testnet` option to `true` in 'mmgen.cfg' to
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make *all* commands use testnet. With testnet you can safely practice all the
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operations below, including the offline ones, on an online computer.
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**Regtest mode** is a more convenient alternative to testnet that requires no
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Internet connection and no blockchain sync time. In regtest mode, bitcoind
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creates a private blockchain on which you can mine, send and receive
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transactions. MMGen commands support regtest mode with the `--regtest=1` option
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or the `regtest` option in `mmgen.cfg`. The following is a brief guide to get
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you started with regtest mode:
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Start the bitcoin daemon, generate 432 blocks to activate Segwit on the regtest
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chain and stop:
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$ bitcoind -regtest -daemon
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$ bitcoin-cli -regtest generate 432
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$ bitcoin-cli -regtest stop
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Move 'wallet.dat' out of harm's way (**important:** it's the 'wallet.dat' in the
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'regtest' directory under your bitcoin data directory being referred to here,
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**not** the one in your bitcoin data directory). Restart the daemon:
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$ bitcoind -regtest -daemon
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A new ‘wallet.dat’ will be created. This is your tracking wallet. Create an
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MMGen wallet, generate some MMGen addresses and import them into the tracking
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wallet <a href='#a_bo'>as described below</a>. Stop the daemon again:
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$ bitcoin-cli -regtest stop
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Move your tracking wallet (the new 'wallet.dat') out of harm's way and move the
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original 'wallet.dat' back. Restart the daemon, send some funds to one of your
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tracked addresses, mine a block and stop the daemon:
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$ bitcoind -regtest -daemon
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$ bitcoin-cli -regtest sendtoaddress <a tracked address> 100.00
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$ bitcoin-cli -regtest generate 1
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$ bitcoin-cli -regtest stop
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Replace the original 'wallet.dat' with your tracking wallet again, restart
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bitcoind and list your tracked addresses:
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$ bitcoind -regtest -daemon
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$ mmgen-tool --regtest=1 listaddresses
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Your address should now have a balance of 100 BTC. You may now practice creating
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and sending transactions to yourself <a href='#a_ct'>as described below</a>.
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After sending each transaction, you must mine a new block for the transaction to
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confirm:
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$ bitcoin-cli -regtest generate 1
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A convenient frontend for bitcoind's regression test mode, MMGen's Bob and Alice
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mode creates a private blockchain and a virtual network of two users who can
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send bitcoins to each other. All of MMGen's functionality is available in this
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mode, making it an ideal, risk-free way to acquaint yourself with the wallet's
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features. Refer to [MMGen Quick Start with Regtest Mode][06] to get started.
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### <a name='a_bo'>Basic Operations</a>
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@ -221,9 +168,14 @@ Now generate ten addresses with your just-created wallet:
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10 1H7vVTk4ejUbQXw45I6g5qvPBSe9bsjDqh
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}
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NOTE: As of version 0.9.2, MMGen supports Segwit. To generate Segwit addresses,
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add `--type segwit` to the command line. Segwit address files are distinguished
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from Legacy ones by the ‘-S’ in the filename:
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Note that the address range ‘1-10’ specified on the command line is included in
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the resulting filename.
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NOTE: MMGen supports Segwit addresses as of version 0.9.2 and compressed P2PKH
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addresses as of version 0.9.3. To generate Segwit or compressed addresses, add
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`--type=segwit` or `--type=compressed` to the command line. Segwit and
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compressed address files are distinguished from Legacy ones by an added ‘-S’ and
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‘-C’ in the filenames:
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$ mmgen-addrgen --type segwit 1-10
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...
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@ -232,8 +184,12 @@ from Legacy ones by the ‘-S’ in the filename:
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1 32GiSWo9zIQgkCmjAaLIrbPwXhKry2jHhj
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...
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Note that the address range ‘1-10’ specified on the command line is included in
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the resulting filename.
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$ mmgen-addrgen --type compressed 1-10
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...
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$ cat '89ABCDEF-C[1-10].addrs'
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89ABCDEF COMPRESSED {
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1 13jbRxWjswXtaDzLBJDboMcIe6nLohFb9M
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...
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To fund your MMGen wallet, first import the addresses into your tracking wallet
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and then spend some BTC into any of them. If you run out of addresses, generate
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@ -306,10 +262,10 @@ through the network. To use it, you must save the keys corresponding to the
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addresses where the funds are stored in a separate file to use during signing.*
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Note that each address has a unique ID (the ‘MMGen ID’) consisting of its Seed
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ID, its address type (‘L’ for Legacy, ‘S’ for Segwit), and its number (index).
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Legacy and Segwit addresses may be imported into the same tracking wallet;
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they're generated from different sub-seeds, so you needn't worry about key
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reuse.
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ID, its address type (‘L’ for Legacy, ‘S’ for Segwit and ‘C’ for Compressed),
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and its number (index). Addresses of different types may be imported into the
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same tracking wallet; since they're generated from different sub-seeds you
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needn't worry about key reuse.
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Now that your addresses are being tracked, you may go ahead and send some BTC to
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them over the Bitcoin network. If you send 0.1, 0.2, 0.3 and 0.4 BTC
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@ -343,12 +299,9 @@ Note that 'mmgen-txcreate' accepts either MMGen IDs or Bitcoin addresses as
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arguments.
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IMPORTANT NOTE: For the time being, Legacy addresses are the default, so
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address ‘89ABCDEF:5’ is equivalent to ‘89ABCDEF:L:5’. In the future, users will
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have the option to make Segwit addresses the default, so that ‘89ABCDEF:5’ will
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be equivalent to ‘89ABCDEF:S:5’ and the ‘L’ will be required to specify a legacy
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address. This may seem confusing, but it was the best possible way to make
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the MMGen ID backwards-compatible for now while allowing users the option of
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a non-compatible upgrade in the future.
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address ‘89ABCDEF:5’ is equivalent to ‘89ABCDEF:L:5’. In the future, users may
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be given the option to make Segwit (for BTC) or Compressed (for BCH) addresses
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the default.
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To send 0.1 BTC to each of your addresses 89ABCDEF:6 and 89ABCDEF:7 and return the
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change to 89ABCDEF:8, you’d do this:
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@ -884,3 +837,4 @@ them in turn until you get a confirmation:
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[03]: Recovering-Keys-Without-MMGen
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[04]: https://bitcoin.org/en/developer-examples#testnet
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[05]: https://bitcoin.org/en/developer-examples#regtest-mode
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[06]: https://github.com/mmgen/mmgen/wiki/MMGen-Quick-Start-with-Regtest-Mode
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2
Home.md
2
Home.md
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@ -9,6 +9,8 @@
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> #### [Getting Started with MMGen](Getting-Started-with-MMGen)
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> #### [MMGen Quick Start with Regtest Mode](MMGen-Quick-Start-with-Regtest-Mode)
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> #### [MMGen command help](MMGen-command-help)
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> #### [Recovering your keys without the MMGen software](Recovering-Keys-Without-MMGen)
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160
MMGen-Quick-Start-with-Regtest-Mode.md
Normal file
160
MMGen-Quick-Start-with-Regtest-Mode.md
Normal file
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@ -0,0 +1,160 @@
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MMGen's regtest mode, also known as Bob and Alice mode, provides a convenient
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front-end for bitcoind's regression test mode. It creates a private blockchain
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and a virtual network of two users who can perform all MMGen operations,
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including sending bitcoins to each other.
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To transact as Bob or Alice, just add the '--bob' or '--alice' option to any
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MMGen command. MMGen will start and stop the Bitcoin daemon automatically as
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required. All of MMGen's functionality is available in this mode, making it an
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ideal, risk-free way to acquaint yourself with the MMGen wallet's features and
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transacting on the Bitcoin blockchain in general.
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This tutorial provides a quick, hands-on introduction.
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1. Create the blockchain and Bob and Alice's tracking wallets:
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$ mmgen-regtest setup
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2. Generate Bob's MMGen wallet:
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$ mmgen-walletgen --bob
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...
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Make this wallet your default and move it to the data directory? (Y/n): y
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3. Generate three type 'C' (compressed) addresses with Bob's MMGen wallet:
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$ mmgen-addrgen --bob --type=compressed 1-3
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...
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Addresses written to file '1163DDF1-C[1-3].addrs'
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# 1163DDF1 is Bob's Seed ID; since it's generated randomly, your Bob's will be different
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4. Import the addresses into Bob's tracking wallet:
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$ mmgen-addrimport --bob 1163DDF1-C[1-3].addrs
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...
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Type uppercase 'YES' to confirm: YES
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5. List the addresses in Bob's tracking wallet. You should see the addresses
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you just imported:
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$ mmgen-tool --bob listaddresses showempty=1
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MMGenID ADDRESS COMMENT BALANCE
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1163DDF1:C:1 mw42oJ94yRA6ZUNSzmMpjZDR74JNyvqzzZ - 0
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1163DDF1:C:2 n1oszhfAyRrHi7qJupyzaWXTcpMQGsGJEf - 0
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1163DDF1:C:3 mhYYHM7renPpNi8SUj5yeEZ54eAUJ5HyQ1 - 0
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6. Fund one of the addresses (let's choose the first one) with some BTC:
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$ mmgen-regtest send mw42oJ94yRA6ZUNSzmMpjZDR74JNyvqzzZ 500
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7. Make sure the funds arrived:
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$ mmgen-tool --bob listaddresses showempty=1
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MMGenID ADDRESS COMMENT BALANCE
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1163DDF1:C:1 mw42oJ94yRA6ZUNSzmMpjZDR74JNyvqzzZ - 500
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1163DDF1:C:2 n1oszhfAyRrHi7qJupyzaWXTcpMQGsGJEf - 0
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1163DDF1:C:3 mhYYHM7renPpNi8SUj5yeEZ54eAUJ5HyQ1 - 0
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8. You can view Bob's total balance this way too:
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$ mmgen-tool --bob getbalance
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9. Generate Alice's MMGen wallet:
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$ mmgen-walletgen --alice
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...
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Make this wallet your default and move it to the data directory? (Y/n): y
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10. Generate three type 'S' (segwit) addresses with Alice's MMGen wallet:
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$ mmgen-addrgen --alice --type=segwit 1-3
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...
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Addresses written to file '9304C211-S[1-3].addrs'
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11. Repeat steps 4-7 for Alice by substituting '--bob' for '--alice'. Don't
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forget to adjust the address filename and send address as well. The result of
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step 7 should look something like this:
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MMGenID ADDRESS COMMENT BALANCE
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9304C211:S:1 2N3HhxasbRvrJyHg72JNVCCPi9EUGrEbFnu - 500
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9304C211:S:2 2N8w8qTupvd9L9wLFbrn6UhdfF1gadDAmFD - 0
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9304C211:S:3 2NF4y3y4CEjQCcssjX2BDLHT88XHn8z53JS - 0
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TOTAL: 500 BTC
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12. Split Alice's funds, sending 200 BTC to address S:2 and the change to S:3.
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Specify a fee of 20 satoshis/byte and '--quiet' for less noisy output:
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$ mmgen-txdo --alice --tx-fee=20s --quiet 9304C211:S:2,300 9304C211:S:3
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...
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Type uppercase 'YES' to confirm: YES
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Transaction sent: 78ca853816b55527b42ca8784c887a5f482c752522f914d2f17d6afcd8a3b076
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13. Check the mempool for the transaction:
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$ mmgen-regtest show_mempool
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['78ca853816b55527b42ca8784c887a5f482c752522f914d2f17d6afcd8a3b076']
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14. Mine a block:
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$ mmgen-regtest generate
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15. Check the mempool again:
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$ mmgen-regtest show_mempool
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[]
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16. List Alice's addresses. Note that Alice has lost a bit to transaction fees:
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$ mmgen-tool --alice listaddresses showempty=1
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MMGenID ADDRESS COMMENT BALANCE
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9304C211:S:1 2N3HhxasbRvrJyHg72JNVCCPi9EUGrEbFnu - 0
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9304C211:S:2 2N8w8qTupvd9L9wLFbrn6UhdfF1gadDAmFD - 300
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9304C211:S:3 2NF4y3y4CEjQCcssjX2BDLHT88XHn8z53JS - 199.999967
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TOTAL: 499.999967 BTC
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17. Have Alice send 10 BTC to Bob's C:2 address, with the change back to her S:1
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address. This time Alice specifies an absolute fee in BTC.
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$ mmgen-txdo --alice --tx-fee=0.0001 --quiet 9304C211:S:1 n1oszhfAyRrHi7qJupyzaWXTcpMQGsGJEf,10
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...
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Enter a range or space-separated list of outputs to spend: 1
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...
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Note that Alice is reusing address S:1 here, and address reuse is generally a
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bad idea. You'd be better off generating and importing some new addresses for
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Alice by repeating steps 3 and 4 with a different address range. I'll leave
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that to you as an exercise.
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18. Mine a block:
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$ mmgen-regtest generate
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19. List Alice's addresses, omitting the empty ones:
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$ mmgen-tool --alice listaddresses
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MMGenID ADDRESS COMMENT BALANCE
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9304C211:S:1 2N3HhxasbRvrJyHg72JNVCCPi9EUGrEbFnu - 189.999867
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9304C211:S:2 2N8w8qTupvd9L9wLFbrn6UhdfF1gadDAmFD - 300
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TOTAL: 489.999867 BTC
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19. List Bob's addresses:
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$ mmgen-tool --bob listaddresses
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MMGenID ADDRESS COMMENT BALANCE
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1163DDF1:C:1 mw42oJ94yRA6ZUNSzmMpjZDR74JNyvqzzZ - 500
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1163DDF1:C:2 n1oszhfAyRrHi7qJupyzaWXTcpMQGsGJEf - 10
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TOTAL: 510 BTC
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20. Add a label to Bob's tracking wallet:
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$ mmgen-tool --bob add_label 1163DDF1:C:2 'From Alice'
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21. List Bob's addresses:
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$ mmgen-tool --bob listaddresses
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MMGenID ADDRESS COMMENT BALANCE
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1163DDF1:C:1 mw42oJ94yRA6ZUNSzmMpjZDR74JNyvqzzZ - 500
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1163DDF1:C:2 n1oszhfAyRrHi7qJupyzaWXTcpMQGsGJEf From Alice 10
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TOTAL: 510 BTC
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[q]: MMGen-Quick-Start-with-Regtest-Mode
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@ -84,8 +84,8 @@ Linux or other Unix-like system.
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$ echo -n segwit | openssl dgst -r -sha256 -mac hmac -macopt hexkey:456d7f5f1c4bfe3bc916b87560ae6a3e | xxd -r -p > cooked-seed.bin
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> If your addresses are of the compressed ('C') type, just use string 'compressed'
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> instead of 'segwit' as the 'echo' command's argument.
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> If your addresses are of the compressed ('C') type, just use the string
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> 'compressed' instead of 'segwit' as the 'echo' command's argument.
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> Now add the ten rounds of sha256:
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@ -137,7 +137,7 @@ Or, in the Segwit case:
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3LpkKqtGkcCukRrgEFWyCajSApioiEWeTw # matches FE3C6545:S:1 above
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But since we're trying to do this without the MMGen software, we need to find
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some other way to convert our hex key to a WIF key. We could use one of many
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some other way to do the hex-to-WIF conversion. We could use one of many
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key-manipulation tools available on the Internet, such as [this one][01], or
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[this one][02]. Or we can do it ourselves: that will be covered in the next
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section.
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@ -202,13 +202,11 @@ with lowercase 'l', he dropped those characters, leaving the following 58:
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123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz
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With '0' gone, '1' now represents decimal zero, '2' represents decimal one, and
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so forth all the way up to 'z', representing decimal fifty-seven. So the
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familiar '1' at the beginning of most Bitcoin addresses is actually just a
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prepended zero!
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so forth all the way up to 'z', representing decimal fifty-seven.
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Now all that remains is to convert our hexadecimal key to decimal and then to
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Base 58 using this alphabet. This can be done in just four lines of code you can
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try out at the Python prompt:
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Now all that remains is to convert our hexadecimal key to decimal and then Base
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58 using this alphabet. This can be done in just four lines of code you can try
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out at the Python prompt:
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# uncompressed example:
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$ python
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@ -225,10 +223,10 @@ try out at the Python prompt:
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L3R8Fn21PsY3PWgT8BMggFwXswA2EZntwEGFS5mfDJpSiLq29a9F # matches key for FE3C6545:S:1 above
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|
||||
Explanation: the variable 'b58a' holds the Base 58 alphabet; 'num' holds the key
|
||||
converted from hexidecimal to decimal using Python's `int()` function; the third
|
||||
line is the base conversion routine proper; and the last line formats the result
|
||||
by reversing it, converting it to a string and stripping off the leading zeroes
|
||||
('1's).
|
||||
in decimal, converted from hexidecimal by Python's `int()` function; the third
|
||||
line does the base-58 conversion; and the last line formats the result by
|
||||
reversing the order of the digits, converting it to a string and stripping off
|
||||
the leading zeroes ('1's).
|
||||
|
||||
Programmers unfamiliar with Python might find the following base conversion code
|
||||
clearer:
|
||||
|
|
@ -270,7 +268,7 @@ If a number has more than one digit, its value is the sum of its digits
|
|||
multiplied by increasing powers of ten, beginning with the rightmost, least
|
||||
significant digit (the “ones column”).
|
||||
|
||||
Thus the number 1234, for example, can be summed as follows:
|
||||
Thus the number 1234, for example, can be represented as follows:
|
||||
|
||||
4 x 1 +
|
||||
3 x 10 +
|
||||
|
|
@ -284,8 +282,8 @@ Or in exponential notation:
|
|||
2 x 10^2 +
|
||||
1 x 10^3
|
||||
|
||||
An MMGen seed mnemonic is a number too, only the “digits” it's made up come from
|
||||
an alphabetically sorted series of 1626 words, the [Electrum wordlist][03],
|
||||
An MMGen seed mnemonic is a number too, only the “digits” it's comprised of come
|
||||
from an alphabetically sorted series of 1626 words, the [Electrum wordlist][03],
|
||||
which begins like this:
|
||||
|
||||
able (0), about (1), above (2), abuse (3), accept (4) ...
|
||||
|
|
@ -296,8 +294,8 @@ and ends like this:
|
|||
|
||||
(Type `mmgen-tool mn_printlist` to see the full list)
|
||||
|
||||
The words of the Electrum wordlist thus comprise a base-1626 numbering system,
|
||||
fully analogous to the digits of our familiar base-10 system.
|
||||
The words of the Electrum wordlist thus make up a base-1626 numbering system,
|
||||
just like the ten digits that make up our familiar base-10 system.
|
||||
|
||||
Here's the mnemonic of our seed (FE3C6545):
|
||||
|
||||
|
|
@ -335,7 +333,8 @@ the results:
|
|||
562 x 1626^10 +
|
||||
439 x 1626^11
|
||||
|
||||
With a bit of Python code we can automate the process:
|
||||
While we could do this with pencil and paper, a few lines of Python code will
|
||||
make life much easier:
|
||||
|
||||
$ python
|
||||
>>> sum = power = 0
|
||||
|
|
@ -343,9 +342,9 @@ With a bit of Python code we can automate the process:
|
|||
>>> sum += word * 1626 ** power
|
||||
>>> power += 1
|
||||
>>> print sum
|
||||
92285275468192044354531703963345906238 # the value in decimal
|
||||
92285275468192044354531703963345906238 # the result in decimal
|
||||
>>> print '{:x}'.format(sum)
|
||||
456d7f5f1c4bfe3bc916b87560ae6a3e # the value in hexadecimal: matches our original hex seed above
|
||||
456d7f5f1c4bfe3bc916b87560ae6a3e # the result in hexadecimal: matches our original hex seed above
|
||||
|
||||
In case you're wondering why 1626 was chosen as the base: 1626 is just large
|
||||
enough to allow a 128-bit seed to be represented by twelve words. This can also
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue