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78 lines
1.9 KiB
78 lines
1.9 KiB
package mock
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import (
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"fmt"
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"strings"
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"github.com/tendermint/tendermint/light/provider"
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"github.com/tendermint/tendermint/types"
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)
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type Mock struct {
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chainID string
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headers map[int64]*types.SignedHeader
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vals map[int64]*types.ValidatorSet
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evidenceToReport map[string]types.Evidence // hash => evidence
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}
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var _ provider.Provider = (*Mock)(nil)
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// New creates a mock provider with the given set of headers and validator
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// sets.
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func New(chainID string, headers map[int64]*types.SignedHeader, vals map[int64]*types.ValidatorSet) *Mock {
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return &Mock{
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chainID: chainID,
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headers: headers,
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vals: vals,
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evidenceToReport: make(map[string]types.Evidence),
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}
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}
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// ChainID returns the blockchain ID.
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func (p *Mock) ChainID() string {
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return p.chainID
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}
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func (p *Mock) String() string {
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var headers strings.Builder
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for _, h := range p.headers {
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fmt.Fprintf(&headers, " %d:%X", h.Height, h.Hash())
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}
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var vals strings.Builder
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for _, v := range p.vals {
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fmt.Fprintf(&vals, " %X", v.Hash())
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}
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return fmt.Sprintf("Mock{headers: %s, vals: %v}", headers.String(), vals.String())
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}
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func (p *Mock) SignedHeader(height int64) (*types.SignedHeader, error) {
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if height == 0 && len(p.headers) > 0 {
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return p.headers[int64(len(p.headers))], nil
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}
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if _, ok := p.headers[height]; ok {
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return p.headers[height], nil
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}
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return nil, provider.ErrSignedHeaderNotFound
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}
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func (p *Mock) ValidatorSet(height int64) (*types.ValidatorSet, error) {
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if height == 0 && len(p.vals) > 0 {
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return p.vals[int64(len(p.vals))], nil
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}
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if _, ok := p.vals[height]; ok {
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return p.vals[height], nil
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}
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return nil, provider.ErrValidatorSetNotFound
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}
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func (p *Mock) ReportEvidence(ev types.Evidence) error {
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p.evidenceToReport[string(ev.Hash())] = ev
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return nil
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}
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func (p *Mock) HasEvidence(ev types.Evidence) bool {
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_, ok := p.evidenceToReport[string(ev.Hash())]
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return ok
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}
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