package common import ( "github.com/nspcc-dev/neo-go/pkg/interop" "github.com/nspcc-dev/neo-go/pkg/interop/contract" "github.com/nspcc-dev/neo-go/pkg/interop/native/ledger" "github.com/nspcc-dev/neo-go/pkg/interop/native/neo" "github.com/nspcc-dev/neo-go/pkg/interop/native/roles" ) type IRNode struct { PublicKey interop.PublicKey } // InnerRingNodes return a list of inner ring nodes from state validator role // in the sidechain. func InnerRingNodes() []interop.PublicKey { blockHeight := ledger.CurrentIndex() return roles.GetDesignatedByRole(roles.NeoFSAlphabet, uint32(blockHeight+1)) } // AlphabetNodes returns a list of alphabet nodes from committee in the sidechain. func AlphabetNodes() []interop.PublicKey { return neo.GetCommittee() } // AlphabetAddress returns multi address of alphabet public keys. func AlphabetAddress() interop.Hash160 { alphabet := neo.GetCommittee() return Multiaddress(alphabet, false) } // CommitteeAddress returns multi address of committee. func CommitteeAddress() interop.Hash160 { committee := neo.GetCommittee() return Multiaddress(committee, true) } // Multiaddress returns default multisignature account address for N keys. // If committee set to true, it is `M = N/2+1` committee account. func Multiaddress(n []interop.PublicKey, committee bool) interop.Hash160 { threshold := len(n)*2/3 + 1 if committee { threshold = len(n)/2 + 1 } return contract.CreateMultisigAccount(threshold, n) }