ConfigFetcher

forc_node::chain_config

Struct ConfigFetcher 

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pub struct ConfigFetcher { /* private fields */ }
Expand description

ConfigFetcher is responsible for github api integration related to the configuration operations. Basically checks remote hash of the corresponding chain configuration. If there is a mismatch between local and remote instance, overrides the local instance with remote changes for testnet and mainnet configurations.

For local chain configuration, we only check for existence of it locally. If the local chain configuration is missing in user’s local, ConfigFetcher fetches it but remote updates are not tracked for it.

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impl ConfigFetcher

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pub async fn check_fetch_required(&self, conf: &ChainConfig) -> Result<bool>

Checks if a fetch is required by comparing the hashes of individual files of the given chain config in the local instance to the one in github by utilizing the github content abi.

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pub async fn download_config(&self, conf: &ChainConfig) -> Result<()>

Download the chain config for given mode. Fetches the corresponding directory from: https://github.com/FuelLabs/chain-configuration/.

Trait Implementations§

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impl Default for ConfigFetcher

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fn default() -> Self

Creates a new fetcher to interact with github. By default user’s chain configuration vault is at: ~/.forc/chainspecs

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