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Backporting the following PRs from the dev branch: - [#191](#191) - [#176](#176) --------- Co-authored-by: Alisher A. Khassanov <a.khssnv@gmail.com>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,39 @@ | ||
| # State preset | ||
|
|
||
| Sometimes we use the blockchain as a part of a test environment. | ||
| Those tests typically want a certain state of the blockchain. | ||
| One option is to make a script which sends a number of transactions to put the blockchain into the desired state. | ||
| But those scripts may become large and execution may take significant time. | ||
| Another option is to make a chain specification, a JSON file with the desired genesis state of the blockchain. | ||
| And launch the chain with the desired state from the first block. | ||
|
|
||
| ## Build a chain spec | ||
|
|
||
| Chain specification is a JSON file which contains network parameters with the the initial runtime and a genesis state of the database for each runtime module. | ||
| There are two forms of chain specification - a human-readable _plain_ form where each runtime module is represented by it's name. | ||
| And a _raw_ form with key-value pairs which will be written to the database. | ||
|
|
||
| 1. Create a plain form chain spec. | ||
|
|
||
| ```console | ||
| ./target/release/cere build-spec --chain=dev --disable-default-bootnode > plain.json | ||
| ``` | ||
|
|
||
| 1. Set genesis state for each module. | ||
| There is an example in `node/service/example.json`, you can copy everything except the `code` field value from it to the `plain.json`. | ||
|
|
||
| 1. Create a raw form chain spec. | ||
|
|
||
| ```console | ||
| ./target/release/cere build-spec --chain=plain.json --disable-default-bootnode --raw > raw.json | ||
| ``` | ||
|
|
||
| ## Launch the chain | ||
|
|
||
| ```console | ||
| ./target/release/cere --chain=raw.json --tmp --alice --unsafe-rpc-external --unsafe-ws-external --rpc-cors=all | ||
| ``` | ||
|
|
||
| ## See also | ||
|
|
||
| [docs.substrate.io: Create a custom chain specification](https://docs.substrate.io/tutorials/build-a-blockchain/add-trusted-nodes/#create-a-custom-chain-specification) |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,11 +1,5 @@ | ||
| { | ||
| "includes": [ | ||
| "**/*.{toml}" | ||
| ], | ||
| "excludes": [ | ||
| "**/target" | ||
| ], | ||
| "plugins": [ | ||
| "https://plugins.dprint.dev/toml-0.5.3.wasm" | ||
| ] | ||
| } | ||
| "includes": ["**/*.{toml}"], | ||
| "excludes": ["**/target"], | ||
| "plugins": ["https://plugins.dprint.dev/toml-0.5.3.wasm"] | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,232 @@ | ||
| { | ||
| "name": "Development", | ||
| "id": "cere_dev", | ||
| "chainType": "Development", | ||
| "bootNodes": [], | ||
| "telemetryEndpoints": null, | ||
| "protocolId": "cere", | ||
| "properties": { | ||
| "ss58Format": 54, | ||
| "tokenDecimals": 10, | ||
| "tokenSymbol": "CERE" | ||
| }, | ||
| "forkBlocks": null, | ||
| "badBlocks": null, | ||
| "lightSyncState": null, | ||
| "codeSubstitutes": {}, | ||
| "genesis": { | ||
| "runtime": { | ||
| "system": { | ||
| "code": "0x00" | ||
| }, | ||
| "babe": { | ||
| "authorities": [], | ||
| "epochConfig": { | ||
| "c": [ | ||
| 1, | ||
| 4 | ||
| ], | ||
| "allowed_slots": "PrimaryAndSecondaryPlainSlots" | ||
| } | ||
| }, | ||
| "indices": { | ||
| "indices": [] | ||
| }, | ||
| "balances": { | ||
| "balances": [ | ||
| [ | ||
| "5GrwvaEF5zXb26Fz9rcQpDWS57CtERHpNehXCPcNoHGKutQY", | ||
| 10000000000000 | ||
| ], | ||
| [ | ||
| "5FHneW46xGXgs5mUiveU4sbTyGBzmstUspZC92UhjJM694ty", | ||
| 10000000000000 | ||
| ], | ||
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| 10000000000000 | ||
| ], | ||
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| ], | ||
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| ] | ||
| ] | ||
| }, | ||
| "transactionPayment": { | ||
| "multiplier": "10000000000" | ||
| }, | ||
| "staking": { | ||
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| "minimumValidatorCount": 1, | ||
| "invulnerables": [ | ||
| "5GNJqTPyNqANBkUVMN1LPPrxXnFouWXoe2wNSmmEoLctxiZY" | ||
| ], | ||
| "forceEra": "NotForcing", | ||
| "slashRewardFraction": 100000000, | ||
| "canceledPayout": 0, | ||
| "stakers": [ | ||
| [ | ||
| "5GNJqTPyNqANBkUVMN1LPPrxXnFouWXoe2wNSmmEoLctxiZY", | ||
| "5GrwvaEF5zXb26Fz9rcQpDWS57CtERHpNehXCPcNoHGKutQY", | ||
| 1000000000000, | ||
| "Validator" | ||
| ] | ||
| ], | ||
| "minNominatorBond": 0, | ||
| "minValidatorBond": 0, | ||
| "maxValidatorCount": null, | ||
| "maxNominatorCount": null | ||
| }, | ||
| "session": { | ||
| "keys": [ | ||
| [ | ||
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| "5GNJqTPyNqANBkUVMN1LPPrxXnFouWXoe2wNSmmEoLctxiZY", | ||
| { | ||
| "grandpa": "5FA9nQDVg267DEd8m1ZypXLBnvN7SFxYwV7ndqSYGiN9TTpu", | ||
| "babe": "5GrwvaEF5zXb26Fz9rcQpDWS57CtERHpNehXCPcNoHGKutQY", | ||
| "im_online": "5GrwvaEF5zXb26Fz9rcQpDWS57CtERHpNehXCPcNoHGKutQY", | ||
| "authority_discovery": "5GrwvaEF5zXb26Fz9rcQpDWS57CtERHpNehXCPcNoHGKutQY" | ||
| } | ||
| ] | ||
| ] | ||
| }, | ||
| "democracy": { | ||
| "phantom": null | ||
| }, | ||
| "council": { | ||
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| "members": [] | ||
| }, | ||
| "technicalCommittee": { | ||
| "phantom": null, | ||
| "members": [ | ||
| "5GrwvaEF5zXb26Fz9rcQpDWS57CtERHpNehXCPcNoHGKutQY", | ||
| "5FHneW46xGXgs5mUiveU4sbTyGBzmstUspZC92UhjJM694ty" | ||
| ] | ||
| }, | ||
| "elections": { | ||
| "members": [ | ||
| [ | ||
| "5GrwvaEF5zXb26Fz9rcQpDWS57CtERHpNehXCPcNoHGKutQY", | ||
| 10000000000 | ||
| ], | ||
| [ | ||
| "5FHneW46xGXgs5mUiveU4sbTyGBzmstUspZC92UhjJM694ty", | ||
| 10000000000 | ||
| ] | ||
| ] | ||
| }, | ||
| "technicalMembership": { | ||
| "members": [], | ||
| "phantom": null | ||
| }, | ||
| "grandpa": { | ||
| "authorities": [] | ||
| }, | ||
| "treasury": null, | ||
| "sudo": { | ||
| "key": "5GrwvaEF5zXb26Fz9rcQpDWS57CtERHpNehXCPcNoHGKutQY" | ||
| }, | ||
| "imOnline": { | ||
| "keys": [] | ||
| }, | ||
| "authorityDiscovery": { | ||
| "keys": [] | ||
| }, | ||
| "society": { | ||
| "pot": 0, | ||
| "members": [ | ||
| "5GrwvaEF5zXb26Fz9rcQpDWS57CtERHpNehXCPcNoHGKutQY", | ||
| "5FHneW46xGXgs5mUiveU4sbTyGBzmstUspZC92UhjJM694ty" | ||
| ], | ||
| "maxMembers": 999 | ||
| }, | ||
| "vesting": { | ||
| "vesting": [] | ||
| }, | ||
| "nominationPools": { | ||
| "minJoinBond": 0, | ||
| "minCreateBond": 0, | ||
| "maxPools": 16, | ||
| "maxMembersPerPool": 32, | ||
| "maxMembers": 512 | ||
| }, | ||
| "ddcStaking": { | ||
| "cdns": [], | ||
| "storages": [] | ||
| }, | ||
| "ddcCustomers": { | ||
| "buckets": [ | ||
| [ | ||
| "0x0000000000000000000000000000000000000001", | ||
| "5FHneW46xGXgs5mUiveU4sbTyGBzmstUspZC92UhjJM694ty", | ||
| 10000000000 | ||
| ] | ||
| ] | ||
| }, | ||
| "ddcNodes": { | ||
| "storageNodes": [ | ||
| { | ||
| "pub_key": "5FLSigC9HGRKVhB9FiEo4Y3koPsNmBmLJbpXg2mp1hXcS59Y", | ||
| "provider_id": "5GrwvaEF5zXb26Fz9rcQpDWS57CtERHpNehXCPcNoHGKutQY", | ||
| "cluster_id": "0x0000000000000000000000000000000000000001", | ||
| "props": { | ||
| "host": [], | ||
| "http_port": 8080, | ||
| "grpc_port": 8081, | ||
| "p2p_port": 8082 | ||
| } | ||
| } | ||
| ], | ||
| "cdnNodes": [] | ||
| }, | ||
| "ddcClusters": { | ||
| "clusters": [ | ||
| { | ||
| "cluster_id": "0x0000000000000000000000000000000000000001", | ||
| "manager_id": "5GrwvaEF5zXb26Fz9rcQpDWS57CtERHpNehXCPcNoHGKutQY", | ||
| "reserve_id": "5GrwvaEF5zXb26Fz9rcQpDWS57CtERHpNehXCPcNoHGKutQY", | ||
| "props": { | ||
| "node_provider_auth_contract": null | ||
| } | ||
| } | ||
| ], | ||
| "clustersGovParams": [ | ||
| [ | ||
| "0x0000000000000000000000000000000000000001", | ||
| { | ||
| "treasury_share": 0, | ||
| "validators_share": 0, | ||
| "cluster_reserve_share": 0, | ||
| "cdn_bond_size": 0, | ||
| "cdn_chill_delay": 0, | ||
| "cdn_unbonding_delay": 0, | ||
| "storage_bond_size": 0, | ||
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| "storage_unbonding_delay": 0, | ||
| "unit_per_mb_stored": 0, | ||
| "unit_per_mb_streamed": 0, | ||
| "unit_per_put_request": 0, | ||
| "unit_per_get_request": 0 | ||
| } | ||
| ] | ||
| ], | ||
| "clustersNodes": [ | ||
| [ | ||
| "0x0000000000000000000000000000000000000001", | ||
| [ | ||
| { | ||
| "StoragePubKey": "5FLSigC9HGRKVhB9FiEo4Y3koPsNmBmLJbpXg2mp1hXcS59Y" | ||
| } | ||
| ] | ||
| ] | ||
| ] | ||
| } | ||
| } | ||
| } | ||
| } |
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