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feat: add get prover data api function (#18)
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,95 @@ | ||
| // Package prover contains structures and utility functions for the prover | ||
| package prover | ||
|
|
||
| import ( | ||
| "fmt" | ||
| "math/big" | ||
|
|
||
| "github.com/0xPolygon/polygon-edge/state/runtime/tracer/structtracer" | ||
| "github.com/0xPolygon/polygon-edge/types" | ||
| ) | ||
|
|
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| type StorageUpdate struct { | ||
| Slot string | ||
| Value string | ||
| MerkleProof []string | ||
| } | ||
|
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| type Storage struct { | ||
| Account string | ||
| StorageRoot string | ||
| Storage []StorageUpdate | ||
| } | ||
|
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| type ProverAccount struct { | ||
| Balance *big.Int | ||
| Nonce uint64 | ||
| Root string | ||
| CodeHash string | ||
| } | ||
|
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| type ProverAccountProof struct { | ||
| Account string | ||
| MerkleProof []string | ||
| } | ||
|
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| type ProverData struct { | ||
| BlockHeader types.Header | ||
| Accounts interface{} | ||
| Storage interface{} | ||
| Transactions interface{} | ||
| Receipts interface{} | ||
| ContractCodes interface{} | ||
| State interface{} | ||
| } | ||
|
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| func ParseBlockAccounts(block *types.Block) ([]string, error) { | ||
| var accounts = make([]string, 0) | ||
| for _, tx := range block.Transactions { | ||
| accounts = append(accounts, tx.From.String()) | ||
| accounts = append(accounts, (*tx.To).String()) | ||
| } | ||
|
|
||
| return accounts, nil | ||
| } | ||
|
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| func ParseContractCodeForAccounts(tracesJSON []interface{}) ([]string, error) { | ||
| var accounts = make(map[string]int) | ||
|
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| for _, traceJSON := range tracesJSON { | ||
| trace, ok := traceJSON.(*structtracer.StructTraceResult) | ||
| if !ok { | ||
| return nil, fmt.Errorf("invalid struct trace data conversion") | ||
| } | ||
|
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| for _, log := range trace.StructLogs { | ||
| if log.Op == "CALL" || log.Op == "STATICCALL" { | ||
| accounts[log.Stack[len(log.Stack)-2]] = 1 | ||
| } | ||
| } | ||
| } | ||
|
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| result := make([]string, 0) | ||
| for account := range accounts { | ||
| result = append(result, account) | ||
| } | ||
|
|
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| return result, nil | ||
| } | ||
|
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| func ParseTraceForStorageChanges(tracesJSON []interface{}) (map[string][]structtracer.StorageUpdate, error) { | ||
| var storageChanges = make(map[string][]structtracer.StorageUpdate) | ||
|
|
||
| for _, traceJSON := range tracesJSON { | ||
| trace, ok := traceJSON.(*structtracer.StructTraceResult) | ||
| if !ok { | ||
| return nil, fmt.Errorf("invalid struct trace data conversion") | ||
| } | ||
|
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| for account, storage := range trace.StorageUpdates { | ||
| storageChanges[account.String()] = append(storageChanges[account.String()], storage...) | ||
| } | ||
| } | ||
|
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| return storageChanges, nil | ||
| } |
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