# Ganache Fork Avalanche
tutorial: https://support.chainstack.com/hc/en-us/articles/900001783063-Forking-an-EVM-compatible-mainnet-with-Ganache-CLI
```
yarn ganache --fork https://api.avax.network/ext/bc/C/rpc
```
TODO:
- [x] move block
- [x] store in db
doc:
```
Chain:
--chain.allowUnlimitedContractSize Allows unlimited contract sizes while debugging. Setting this to true
will cause ganache to behave differently than production environments.
[boolean] [default: false]
--chain.asyncRequestProcessing When set to false only one request will be processed at a time.
[boolean] [default: true]
--chain.chainId The currently configured chain id. [number] [default: 1337]
-i, --chain.networkId The id of the network returned by the RPC method net_version.
deprecated aliases: --networkId
[number] [default: System time at process start or
Network ID of forked blockchain if configured.]
-t, --chain.time Date that the first block should start.
deprecated aliases: --time [number]
-k, --chain.hardfork Set the hardfork rules for the EVM.
deprecated aliases: --hardfork
[string] [choices: "constantinople", "byzantium", "petersburg",
"istanbul", "muirGlacier", "berlin", "london","arrowGlacier"]
[default: london]
--chain.vmErrorsOnRPCResponse Whether to report runtime errors from EVM code as RPC errors.
[boolean] [default: false]
Database:
--database.dbPath Specify a path to a directory to save the chain database.
deprecated aliases: --db, --db_path [string]
Logging:
--logging.debug Set to true to log EVM opcodes. [boolean] [default: false]
-q, --logging.quiet Set to true to disable logging.
deprecated aliases: --quiet [boolean] [default: false]
-v, --logging.verbose Set to true to log all RPC requests and responses.
deprecated aliases: --verbose [boolean] [default: false]
Miner:
-b, --miner.blockTime Sets the blockTime in seconds for automatic mining. A blockTime of 0
enables "instamine mode", where new executable transactions will be
mined instantly.
deprecated aliases: --blockTime [number] [default: 0]
-g, --miner.defaultGasPrice Sets the default gas price in WEI for transactions if not otherwise
specified.
deprecated aliases: --gasPrice [string] [default: 0x77359400]
-l, --miner.blockGasLimit Sets the block gas limit in WEI.
deprecated aliases: --gasLimit [string] [default: 0xb71b00]
--miner.defaultTransactionGasLimit Sets the default transaction gas limit in WEI. Set to "estimate" to
use an estimate (slows down transaction execution by 40%+).
[string] [default: 0x15f90]
--miner.difficulty Sets the block difficulty. [string] [default: 0x1]
--miner.callGasLimit Sets the transaction gas limit in WEI for eth_call and eth_estimateGas
calls.
[string] [default: 0x1fffffffffffff]
--miner.instamine Set the instamine mode to either "eager" (default) or "strict". In
"eager" mode a transaction will be included in a block before its hash
is returned to the caller. In "strict" mode a transaction's hash is
returned to the caller before the transaction is included in a block.
This value has no effect if `blockTime` is *not* `0` (the default).`
[string] [choices: "eager", "strict"] [default: "eager"]
--miner.coinbase Sets the address where mining rewards will go.
[default: 0x0000000000000000000000000000000000000000]
--miner.extraData Set the extraData block header field a miner can include.
[string] [default: 0x]
--miner.priceBump Minimum price bump percentage needed to replace a transaction that
already exists in the transaction pool. [string] [default: 10]
Wallet:
--wallet.accounts Account data in the form <private_key>,<initial_balance>, can be
specified multiple times. Note that private keys are 64 characters
long and must be entered as an 0x-prefixed hex string. Balance can
either be input as an integer, or as a 0x-prefixed hex string with
either form specifying the initial balance in wei.
deprecated aliases: --account [array]
-a, --wallet.totalAccounts Number of accounts to generate at startup.
deprecated aliases: --accounts [number] [default: 10]
-d, --wallet.deterministic Use pre-defined, deterministic seed.
deprecated aliases: --deterministic [boolean] [default: false]
-s, --wallet.seed Seed to use to generate a mnemonic.
deprecated aliases: --seed
[string]
[default: Random value, unless wallet.deterministic is specified]
-m, --wallet.mnemonic Use a specific HD wallet mnemonic to generate initial addresses.
deprecated aliases: --mnemonic [string]
[default: Generated from wallet.seed]
-u, --wallet.unlockedAccounts Array of addresses or address indexes specifying which accounts should
be unlocked.
deprecated aliases: --unlock [array]
-n, --wallet.lock Lock available accounts by default (good for third party transaction
signing).
deprecated aliases: --secure, --lock [boolean] [default: false]
--wallet.passphrase Passphrase to use when locking accounts.
deprecated aliases: --passphrase [string]
--wallet.accountKeysPath Specifies a file to save accounts and private keys to, for testing.
deprecated aliases: --account_keys_path, --acctKeys [string]
-e, --wallet.defaultBalance The default account balance, specified in ether.
deprecated aliases: --defaultBalanceEther [number] [default: 1000]
--wallet.hdPath The hierarchical deterministic path to use when generating accounts.
[string] [default: m,44',60',0',0]
Fork:
-f, --fork.url Fork from another currently running Ethereum client at a given block.
Input should be the URL of the node, e.g. "http://localhost:1337". You
can optionally specify the block to fork from using an @ sign:
"http://localhost:1337@8675309".
You can specify Basic Authentication credentials in the URL as well.
e.g., "wss://user:password@example.com/". If you need to use an Infura
Project Secret, you would use it like this:
"wss://:{YOUR-PROJECT-SECRET}@mainnet.infura.com/..."
Alternatively, you can use the fork.username and fork.password
options.
deprecated aliases: --fork
--fork.network A network name to fork from; uses Infura's archive nodes.
Use the shorthand command ganache --fork to automatically fork from
Mainnet at the latest block.
[choices: "mainnet", "ropsten", "kovan", "rinkeby", "goerli", "görli"]
--fork.blockNumber Block number the provider should fork from.
[default: Latest block number]
--fork.preLatestConfirmations When the fork.blockNumber is set to "latest" (default), the number of
blocks before the remote node's "latest" block to fork from.
[number] [default: 5]
--fork.username Username to use for Basic Authentication. Does not require setting
fork.password.
When combined with fork.password, is shorthand for fork: { headers: {
"Authorization": "Basic {ENCODED-BASIC-HEADER}" } }
If the fork.headers option specifies an "Authorization" header, it
will be be inserted after this Basic token.
--fork.password Password to use for Basic Authentication. Does not require setting
fork.username.
When combined with fork.username, is shorthand for fork: { headers: {
"Authorization": "Basic {ENCODED-BASIC-HEADER}" } }
If the fork.headers option specifies an "Authorization" header, it
will be be inserted after this Basic token.
--fork.jwt Encoded JSON Web Token (JWT) used for authenticating to some servers.
Shorthand for fork:
{ headers: { "Authorization": "Bearer {YOUR-ENCODED-JWT}" } }
If the fork.headers option specifies an "Authorization" header, it
will be be inserted after the JWT Bearer token.
--fork.userAgent The User-Agent header sent to the fork on each request.
Sent as Api-User-Agent when used in the browser.
Will be overridden by a "User-Agent" defined in the fork.headers
option, if provided.
[default: Ganache/7.0.0-beta.0
(https://www.trufflesuite.com/ganache; ganache<at>trufflesuite.com)]
--fork.origin The Origin header sent to the fork on each request.
Ignored in the browser.
Will be overridden by an "Origin" value defined in the fork.headers
option, if provided.
--fork.headers Headers to supply on each request to the forked provider.
Headers set here override headers set by other options, unless
otherwise specified.
Defaults to: ["User-Agent: Ganache/VERSION
(https://www.trufflesuite.com/ganache; ganache<at>trufflesuite.com)"]
[array]
--fork.requestsPerSecond Restrict the number of requests per second sent to the fork provider.
0 means no limit is applied. [number] [default: 0]
--fork.disableCache Disables caching of all forking requests. [boolean] [default: false]
--fork.deleteCache Deletes the persistent cache before starting.
[boolean] [default: false]
Server:
--server.ws Enable a websocket server. [boolean] [default: true]
--server.wsBinary Whether or not websockets should response with binary data
(ArrayBuffers) or strings.
[choices: "true", "false", "auto"]
[default: auto]
--server.rpcEndpoint Defines the endpoint route the HTTP and WebSocket servers will listen
on.
[default: "/" (Ethereum), "/rpc/v0" (Filecoin)]
-h, --server.host Hostname to listen on.
deprecated aliases: --host, --hostname
[string] [default: "127.0.0.1"]
-p, --server.port, --port Port to listen on.
deprecated aliases: --port
[number] [default: 8545]
```
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