feat(contracts): credential_badge contract — scaffold, badge types, issuance & revocation#876
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yusuftomilola merged 2 commits intoDistinctCodes:mainfrom Apr 26, 2026
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CT-22 (DistinctCodes#786): Scaffold — Cargo.toml, types.rs, errors.rs, DataKey, initialize stub CT-23 (DistinctCodes#787): Implement register_badge_type (admin-gated, stores BadgeType, emits event) CT-24 (DistinctCodes#788): Implement issue_credential (admin-gated, stores Credential, emits event) CT-25 (DistinctCodes#789): Implement revoke_credential (admin-gated, sets is_revoked, emits event) - BadgeType: id, name, description, created_at - Credential: badge_type_id, holder, issued_at, issuer, is_revoked - 8 error variants including BadgeTypeAlreadyExists, AlreadyIssued, CredentialRevoked - DataKey: Admin, BadgeType(String), BadgeTypeList, Credential(String,Address), HolderCredentials(Address) - sandbox/credential_badge added to workspace Cargo.toml
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yusuftomilola
approved these changes
Apr 26, 2026
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Summary
Implements four issues assigned to @Thommyy7 in a single branch.
Closes #786
Closes #787
Closes #788
Closes #789
Changes
CT-22 — Scaffold credential_badge contract (#786)
New contract at
contracts/sandbox/credential_badge/:Cargo.tomlwith soroban-sdk workspace dependencysrc/types.rs:BadgeType(id, name, description, created_at),Credential(badge_type_id, holder, issued_at, issuer, is_revoked)src/errors.rs:AdminNotSet,AlreadyInitialized,Unauthorized,BadgeTypeNotFound,CredentialNotFound,AlreadyIssued,CredentialRevoked,BadgeTypeAlreadyExistsDataKey:Admin,BadgeType(String),BadgeTypeList,Credential(String, Address),HolderCredentials(Address)initializestub (admin-only, rejects re-init)CT-23 — register_badge_type (#787)
require_adminError::BadgeTypeAlreadyExistsif ID already registeredBadgeTypeand appends toBadgeTypeListbadge_regeventCT-24 — issue_credential (#788)
Error::BadgeTypeNotFoundif badge type doesn't existError::AlreadyIssuedif holder already has this badge typeCredentialand indexes underHolderCredentials(holder)issuedeventCT-25 — revoke_credential (#789)
Error::CredentialNotFoundif credential doesn't existError::CredentialRevokedif already revokedis_revoked = trueon the stored credentialrevokedeventWorkspace
sandbox/credential_badgeadded tocontracts/Cargo.tomlworkspace members