type FederationIngressEndpoint {
  transport: String!
  url: String!
  priority: Int!
  region: String!
}

input FederationIngressEndpointInput {
  transport: String
  url: String
  priority: Int
  region: String
}

type FederationWitnessHead {
  witnessId: String!
  head: String!
  epoch: Int!
  issuedAt: String!
  issuer: String!
  digest: String!
}

input FederationWitnessHeadInput {
  witnessId: String
  head: String
  epoch: Int
  issuedAt: String
  issuer: String
  digest: String
}

type FederationRouteHop {
  index: Int!
  chainId: ID!
  endpoint: String!
  witnessDigest: String!
}

input FederationRouteHopInput {
  index: Int
  chainId: ID
  endpoint: String
  witnessDigest: String
}

type FederationPathProof {
  scheme: String!
  seed: String!
  hopDigests: [String]!
  terminalDigest: String!
}

input FederationPathProofInput {
  scheme: String
  seed: String
  hopDigests: [String]
  terminalDigest: String
}

type FederationRoute {
  epoch: Int!
  fromChainId: ID!
  toChainId: ID!
  digest: String!
  expiresAt: String!
  signatureIssuer: String!
  signatureDigest: String!
  hops: [FederationRouteHop]!
}

input FederationRouteInput {
  epoch: Int
  fromChainId: ID
  toChainId: ID
  digest: String
  expiresAt: String
  signatureIssuer: String
  signatureDigest: String
  hops: [FederationRouteHop]
}

type FederationChain {
  id: ID!
  chainId: ID!
  index: Int!
  ingressEndpoints: [FederationIngressEndpoint]!
  witnessHead: FederationWitnessHead!
  capabilities: [String]!
  expiresAt: String!
  signatureIssuer: String!
  signatureDigest: String!
}

input FederationChainInput {
  chainId: ID
  index: Int
  ingressEndpoints: [FederationIngressEndpoint]
  witnessHead: FederationWitnessHead
  capabilities: [String]
  expiresAt: String
  signatureIssuer: String
  signatureDigest: String
}

type FederationLookup {
  destination: FederationChain!
  witness: FederationWitnessHead!
  pathProof: FederationPathProof!
  route: FederationRoute!
  expiresAt: String!
}

input FederationLookupInput {
  destination: FederationChain
  witness: FederationWitnessHead
  pathProof: FederationPathProof
  route: FederationRoute
  expiresAt: String
}

type FederationSnapshot {
  epoch: Int!
  generatedAt: String!
  index: Int!
  digest: String!
  mirrorCount: Int!
  recordCount: Int!
  revocationCount: Int!
  signer: String!
}

input FederationSnapshotInput {
  epoch: Int
  generatedAt: String
  index: Int
  digest: String
  mirrorCount: Int
  recordCount: Int
  revocationCount: Int
  signer: String
}

type Query {
  federationChain(id: ID): FederationChain
  federationLookup(from: ID, to: ID): FederationLookup
  federationSnapshot(epoch: Int): FederationSnapshot
}