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