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# N3 FrostFS side chain privnet service
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A single-node N3 privnet deployment, running on
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[neo-go](https://github.com/nspcc-dev/neo-go). Represents N3 FrostFS SideChain.
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Contracts deployed:
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- Alphabet (AZ) [contract](https://git.frostfs.info/TrueCloudLab/frostfs-contract/src/branch/master/alphabet)
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- Audit [contract](https://git.frostfs.info/TrueCloudLab/frostfs-contract/src/branch/master/audit)
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- Balance [contract](https://git.frostfs.info/TrueCloudLab/frostfs-contract/src/branch/master/balance)
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- Container [contract](https://git.frostfs.info/TrueCloudLab/frostfs-contract/src/branch/master/container)
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- Netmap [contract](https://git.frostfs.info/TrueCloudLab/frostfs-contract/src/branch/master/netmap)
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- NeoFSID [contract](https://git.frostfs.info/TrueCloudLab/frostfs-contract/src/branch/master/neofsid)
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- Proxy [contract](https://git.frostfs.info/TrueCloudLab/frostfs-contract/src/branch/master/proxy)
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- Reputation [contract](https://git.frostfs.info/TrueCloudLab/frostfs-contract/src/branch/master/reputation)
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RPC available at `http://morph-chain.frostfs.devenv:30333`.
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## .env settings
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### NEOGO_VERSION
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Version of neo-go docker container for side chain deployment.
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## FrostFS global config
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FrostFS uses global configuration to store epoch duration, maximum object size,
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container fee and other network parameters. Global configuration is stored in
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netmap contract and managed by Inner Ring (Alphabet) nodes.
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To change these parameters use `make update.*` commands. Command down below
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changes epoch duration from 300 blocks (about 300 seconds with 1bps) to 30.
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```
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$ make update.epoch_duration val=30
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Waiting for transactions to persist...
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```
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Read more about available configuration in Makefile help.
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```
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$ make help
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...
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Targets:
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...
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update.audit_fee Update audit fee per result in fixed 12 (make update.audit_fee val=100)
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update.basic_income_rate Update basic income rate in fixed 12 (make update.basic_income_rate val=1000)
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update.container_alias_fee Update container alias fee per alphabet node in fixed 12 (make update.container_alias_fee val=100)
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update.container_fee Update container fee per alphabet node in fixed 12 (make update.container_fee val=500)
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update.eigen_trust_alpha Update alpha parameter of EigenTrust algorithm in 0 <= f <= 1.0 (make update.eigen_trust_alpha val=0.2)
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update.eigen_trust_iterations Update amount of EigenTrust iterations (make update.eigen_trust_iterations val=2)
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update.epoch_duration Update epoch duration in side chain blocks (make update.epoch_duration val=30)
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update.homomorphic_hashing_disable Update homomorphic hashing disabled flag (make update.homomorphic_hashing_disable val=true)
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update.max_object_size Update max object size in bytes (make update.max_object_size val=1000)
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update.system_dns Update system dns to resolve container names (make update.system_dns val=container)
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```
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