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cmd/geth: add 'dumpgenesis' cmd #20191

Merged
merged 4 commits into from
Feb 4, 2020
Merged

cmd/geth: add 'dumpgenesis' cmd #20191

merged 4 commits into from
Feb 4, 2020

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meowsbits
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Adds geth dumpgenesis command, which writes the configured genesis in JSON format to stdout.

This provides a way to generate the data (structure and content) that can then be used with the geth init command.

$ ./build/bin/geth dumpgenesis | jj -p | head -30
{
  "config": {
    "chainId": 1,
    "homesteadBlock": 1150000,
    "daoForkBlock": 1920000,
    "daoForkSupport": true,
    "eip150Block": 2463000,
    "eip150Hash": "0x2086799aeebeae135c246c65021c82b4e15a2c451340993aacfd2751886514f0",
    "eip155Block": 2675000,
    "eip158Block": 2675000,
    "byzantiumBlock": 4370000,
    "constantinopleBlock": 7280000,
    "petersburgBlock": 7280000,
    "ethash": {}
  },
  "nonce": "0x42",
  "timestamp": "0x0",
  "extraData": "0x11bbe8db4e347b4e8c937c1c8370e4b5ed33adb3db69cbdb7a38e1e50b1b82fa",
  "gasLimit": "0x1388",
  "difficulty": "0x400000000",
  "mixHash": "0x0000000000000000000000000000000000000000000000000000000000000000",
  "coinbase": "0x0000000000000000000000000000000000000000",
  "alloc": {
    "000d836201318ec6899a67540690382780743280": {
      "balance": "0xad78ebc5ac6200000"
    },
    "001762430ea9c3a26e5749afdb70da5f78ddbb8c": {
      "balance": "0xad78ebc5ac6200000"
    },
    "001d14804b399c6ef80e64576f657660804fec0b": {

meowsbits and others added 4 commits October 21, 2019 08:38
@meowsbits
cmd/geth: add dumpgenesis command
a2a0069 
I have a hard time believing this doesn't already exist...
although I could not find it anywhere.
@meowsbits
cmd/geth: fix empty genesis for default net
ffbea7d 
Seems weird that MakeGenesis method doesn't return
DefaultMainnet...
@meowsbits
cmd/geth: simplify error syntax
6fc42a2
@meowsbits
cmd/geth: simplify usage msg
15a7d84
@meowsbits meowsbits mentioned this pull request Oct 21, 2019
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@meowsbits meowsbits changed the title add 'dumpgenesis' cmd cmd/geth: add 'dumpgenesis' cmd Oct 21, 2019
@karalabe karalabe self-requested a review November 26, 2019 09:38
@karalabe karalabe self-assigned this Nov 26, 2019
@karalabe karalabe added this to the 1.9.9 milestone Nov 26, 2019
@karalabe karalabe modified the milestones: 1.9.9, 1.9.10 Dec 6, 2019
@karalabe karalabe modified the milestones: 1.9.10, 1.9.11 Jan 21, 2020
@fjl
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fjl commented Jan 21, 2020

Need to check:

geth dumpgenesis
geth dumpgenesis --rinkeby
geth dumpgenesis --datadir ~/my-data-dir

holiman
holiman approved these changes Jan 21, 2020
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LGTM.
These works as expected: build/bin/geth --testnet dumpgenesis, build/bin/geth --goerli dumpgenesis, build/bin/geth dumpgenesis

@fjl fjl merged commit 711ed74 into ethereum:master Feb 4, 2020
@cryptohazard
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Question: shouldn't this function also dump a custom genesis?

@wbt wbt mentioned this pull request Nov 21, 2020
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@ricardolyn ricardolyn mentioned this pull request Feb 3, 2021
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@rjl493456442 rjl493456442 mentioned this pull request Mar 2, 2021
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enriquefynn pushed a commit to enriquefynn/go-ethereum that referenced this pull request Mar 10, 2021
@meowsbits @enriquefynn
cmd/geth: add 'dumpgenesis' command (ethereum#20191)
018f2a4 
Adds the 'geth dumpgenesis' command, which writes the configured
genesis in JSON format to stdout. This provides a way to generate the
data (structure and content) that can then be used with the 'geth init'
command.
@hyochan-brown hyochan-brown mentioned this pull request Jun 18, 2021
Merged
9 tasks
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@holiman holiman holiman approved these changes

@karalabe karalabe Awaiting requested review from karalabe

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@meowsbits @fjl @cryptohazard @holiman @karalabe @adamschmideg