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I am Human -- Proof of Humanity

Monorepository of contracts for the I am Human: proof of humanity protocol.

List of contracts:

  • registry: implements the SBT Registry, documented in the NEP-393. See Registry README for a detailed documentation about the I Am Human registry, examples and information about extra queries and methods.

Helper crates:

  • sbt: set of traits, events and common functions for NEP-393 SBT Standard.
  • cost: Common functions and constants to calculate gas and storage deposit for IAH registry calls.
  • human_checker: Helper contract for integration tests. Notably, used for is_human_call.

Issuers:

  • demo-issuer: basic SBT Issuer: contains a list of admins who are authorized to issue SBTs.
  • community-sbt: Permissioned Community Issuer of SBT tokens.
  • community-open: Permissionless Community Issuer of SBT tokens.
  • oracle: SBT Issuer which relays on an off-chain authority signing claims for issuing SBTs.

work in progress:

  • soulbound-class: An algebraic class of tokens to efficiently query if a user have required subset of tokens.
  • ubi: demo use case implementing universal basic income.

Example Flow

For details about creating and querying SBTs, and flow diagrams, see the NEP-393.

Actors:

  • user: someone who wants to hold SBT
  • issuer: a contract or an account which can issue SBTs and is whitelisted in a registry. Issuer is usually an entity which makes validation to mint a specific class of SBTs.
  • registry: a contract which keeps balance of SBTs.

Whenever a new issuer is created, it needs a registry to mint tokens. Today, IAH registry is permissioned: the IAH Registry admin has to add a new issuer willing to mint tokens within IAH registry. In the future this may change and the process can be permission-less (any issuer will be able to mint tokens in the IAH registry).

Issuer calls registry.sbt_mint to mint new tokens. Each token must have specified class in it's metadata. See NEP-393 to learn more about SBT classes. The mint call panics, if a recipient already holds a token with a same class of a given issuer.

Anyone can query registry to check token supply or query tokens by issuer or by owner.

Deployed contracts

Mainnet

Production:

  • SBT registry: registry.i-am-human.near @ registry/v1.8.0
  • Fractal: fractal.i-am-human.near @ oracle/v1.2.0
    • verification pubkey base64: "zqMwV9fTRoBOLXwt1mHxBAF3d0Rh9E9xwSAXR3/KL5E="
  • Community SBTs: community.i-am-human.near @ community-sbt/v5.0.0 Max and default TTL = 1year. classes: 1=OG, 2=NDC_Contributor, 3=NDC_Core_Contributors, 4=NDC_Champion, 5=NDC_Mod, 6=NDC_TechWG, 7=Creatives_DAO
  • Regens SBTs: issuer.regens.near @ community-sbt/v5.0.0 Max and default TTL = 1year. classes: ProofOfRegen=1
  • Proof of Vibes: issuer.proofofvibes.near @ community-sbt/v5.0.0 Max and default TTL = 1year. classes: Vibes=1

Mainnet Testing:

  • registry-v1.gwg-testing.near @ registry/v1.8.0 IAH issuer: (fractal.i-am-human.near, [1])

Deprecated:

  • GoodDollar-SBT: gooddollar-v1.i-am-human.near. verification pubkey base64: "zqMwV9fTRoBOLXwt1mHxBAF3d0Rh9E9xwSAXR3/KL5E="

Testnet

  • SBT registry: Testnet registry is used to test the issuer behavior. For testing other integrations (eg polling, elections) use the testing-unstable version. Consult issuer contracts to validate which issuer is linked to which registry. We may consider adding migration to registry-1 to make it compatible with the latest version.
    • registry-v2.i-am-human.testnet @ registry/v1.8.0 (same as the prod version)
    • registry-unstable-v2.i-am-human.testnet @ registry/v1.8.0
  • Demo SBT: sbt1.i-am-human.testnet (the demo_issuer contract)
  • Fractal: fractal-v2.i-am-human.testnet @ oracle/v1.2.0 registry: registry-1.i-am-human.testnet; Verification pubkey base64: FGoAI6DXghOSK2ZaKVT/5lSP4X4JkoQQphv1FD4YRto=, claim_ttl: 3600ms, FV class: 1
  • Community-SBT: community-v2.i-am-human.testnet @ community-sbt/v5.0.0 registry: registry-v2.i-am-human.testnet classes: 1=OG, 2=NDC_Contributor, 3=NDC_Core_Contributors, 4=NDC_Champion, 5=NDC_Mod, 6=NDC_TechWG, 7=Creatives_DAO Max and default TTL = 1year.
  • Open Community SBTs: CTR open-v1.i-am-human.testnet @ community-open/v1.0.0

Deprecated:

  • SBT Registry:
    • registry.i-am-human.testnet
    • registry-1.i-am-human.testnet @ release/v0.2
    • registry-unstable.i-am-human.testnet @ registry/v1.6.0
  • Fractal: i-am-human-staging.testnet @ oracle/v1.0.1 registry: registry-1.i-am-human.testnet; Verification pubkey base64: FGoAI6DXghOSK2ZaKVT/5lSP4X4JkoQQphv1FD4YRto=, claim_ttl: 3600ms, FV class: 1
  • Community-SBT: community-v1.i-am-human.testnet @ community-sbt/v4.3.0 registry: registry-1.i-am-human.testnet classes: 1=OG, 2=NDC_Contributor, 3=NDC_Core_Contributors, 4=NDC_Champion, 5=NDC_Mod, 6=NDC_TechWG, 7=Creatives_DAO
  • GoodDollar SBT: gooddollar-v1.i-am-human.testnet