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parser.go
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parser.go
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package main
import (
"fmt"
"github.com/360EntSecGroup-Skylar/excelize"
"github.com/polynetwork/bridge-common/log"
"main/base"
"strconv"
"strings"
)
//excel column titles
const (
_CaseNo = "Case No"
_CaseNote = "caseNote"
_Step = "Step"
_Note = "Note"
_ExpectDesc = "ExpectDesc"
_MethodName = "MethodName"
_ParamDesc = "Param Desc"
_Input = "Input"
_ShouldSucceed = "ShouldSucceed"
_Assertion = "Assertion"
_Sender = "Sender"
_ActionBase = "ActionBase"
_ActionResult = "ExeuteResult"
_CaseResult = "CaseResult"
)
type ParseHandler interface {
ParseInput(input string) error
ParseAssertion(input string) error
}
func NewParseHandler(rawAction *RawAction) (ParseHandler, error) {
switch rawAction.MethodName {
case "checkBalance":
return &CheckBalanceParser{rawAction: rawAction}, nil
case base.MethodCreateValidator:
return &CreateValidatorParser{rawAction: rawAction}, nil
case base.MethodWithdrawValidator:
return &WithdrawValidatorParser{rawAction: rawAction}, nil
case base.MethodUpdateValidator:
return &UpdateValidatorParser{rawAction: rawAction}, nil
case base.MethodCancelValidator:
return &CancelValidatorParser{rawAction: rawAction}, nil
case base.MethodUpdateCommission:
return &UpdateCommissionParser{rawAction: rawAction}, nil
case base.MethodWithdrawCommission:
return &WithdrawCommissionParser{rawAction: rawAction}, nil
case base.MethodStake:
return &StakeParser{rawAction: rawAction}, nil
case base.MethodUnStake:
return &UnStakeParser{rawAction: rawAction}, nil
case base.MethodWithdraw:
return &WithdrawParser{rawAction: rawAction}, nil
case base.MethodWithdrawStakeRewards:
return &WithdrawStakeRewardsParser{rawAction: rawAction}, nil
case base.MethodGetCurrentEpochInfo:
return &GetCurrentEpochInfoParser{rawAction: rawAction}, nil
case base.MethodGetAllValidators:
return &GetAllValidatorsParser{rawAction: rawAction}, nil
case base.MethodGetValidator:
return &GetValidatorParser{rawAction: rawAction}, nil
case base.MethodGetStakeInfo:
return &GetStakeInfoParser{rawAction: rawAction}, nil
case base.MethodGetStakeStartingInfo:
return &GetStakeStartingInfoParser{rawAction: rawAction}, nil
default:
err := fmt.Errorf("undefined method: %s", rawAction.MethodName)
return nil, err
}
}
func ParseExcel(excelPath string) (rawCases []*RawCase, err error) {
excel, err := excelize.OpenFile(excelPath)
if err != nil {
log.Fatal("open excel file failed", "err", err)
}
for i := 1; i <= excel.SheetCount; i++ {
var fieldsIndex map[string]int
caseRows := make([][]string, 0)
sheetName := excel.GetSheetName(i)
if !strings.HasPrefix(sheetName, "case") {
continue
}
rows := excel.GetRows(sheetName)
for j, row := range rows {
if j == 0 {
fieldsIndex = getFieldsIndex(row)
continue
}
if len(row) != 0 {
caseRows = append(caseRows, row)
}
if len(rows) != j+1 {
continue
}
// end of case
rawCase, e := createRawCase(caseRows, fieldsIndex)
if e != nil {
return nil, e
}
rawCases = append(rawCases, rawCase)
caseRows = make([][]string, 0)
}
}
log.Info("Parsed excel", "sheet_count", excel.SheetCount, "case_count", len(rawCases))
return
}
func createRawCase(rows [][]string, fieldsIndex map[string]int) (rawCase *RawCase, err error) {
rawCase = &RawCase{Actions: []*RawAction{}}
for i, row := range rows {
if i == 0 {
caseNo, err := strconv.ParseFloat(row[fieldsIndex[_CaseNo]], 64)
if err != nil {
return nil, fmt.Errorf("invalid caseNo: %s", row[fieldsIndex[_CaseNo]])
}
rawCase.Index = int64(caseNo)
}
err = formatRow(row, fieldsIndex)
if err != nil {
err = fmt.Errorf("case format invalid, caseNo: %d, step: %d, err: %v", rawCase.Index, i+1, err)
return
}
action, e := createRowAction(row, fieldsIndex)
if e != nil {
err = fmt.Errorf("createRowAction failed, caseNo: %d, step: %d, row: %s, err: %v", rawCase.Index, i+1, row, e)
return
}
rawCase.Actions = append(rawCase.Actions, action)
}
return
}
func createRowAction(row []string, fieldsIndex map[string]int) (action *RawAction, err error) {
action = new(RawAction)
action.Row = row
// MethodName
action.MethodName = row[fieldsIndex[_MethodName]]
// ShouldSucceed
if row[fieldsIndex[_ShouldSucceed]] == "1" {
action.ShouldSucceed = true
}
// Sender
switch getMethodType(action.MethodName) {
case TX:
action.Sender, err = parseAddress(row[fieldsIndex[_Sender]])
if err != nil {
return
}
}
// ActionBase
action.Epoch, action.Block, action.ShouldBefore, err = parseActionBase(row[fieldsIndex[_ActionBase]])
if err != nil {
return
}
if action.MethodName == "checkBalance" {
action.Block += 10 // delay 10 blocks
}
parseHandler, err := NewParseHandler(action)
if err != nil {
err = fmt.Errorf("new parseHandler failed, err: %s", err)
return
}
// Input
err = parseHandler.ParseInput(row[fieldsIndex[_Input]])
if err != nil {
err = fmt.Errorf("parse Input failed, err: %s", err)
return nil, err
}
// Assertion
err = parseHandler.ParseAssertion(row[fieldsIndex[_Assertion]])
if err != nil {
err = fmt.Errorf("parse Input failed, err: %s", err)
return nil, err
}
return
}
func getFieldsIndex(fields []string) map[string]int {
fieldsIndex := make(map[string]int, 0)
for i, field := range fields {
fieldsIndex[field] = i
}
return fieldsIndex
}
func formatRow(row []string, fieldsIndex map[string]int) error {
for i := 0; i < len(row); i++ {
row[i] = strings.Replace(row[i], "[", "", -1)
row[i] = strings.Replace(row[i], "]", "", -1)
row[i] = strings.Replace(row[i], "]", "\"", -1)
}
return checkRow(row, fieldsIndex)
}
func checkRow(row []string, fieldsIndex map[string]int) (err error) {
// check MethodName
methodName := row[fieldsIndex[_MethodName]]
if len(methodName) == 0 {
err = fmt.Errorf("invalid format [MethodName]: %s", methodName)
return
}
// check ActionBase
actionBase := row[fieldsIndex[_ActionBase]]
parts := strings.Split(actionBase, ",")
if len(parts) != 3 {
err = fmt.Errorf("invalid format [ActionBase]: %s", actionBase)
return
}
// check Assertion
assertion := row[fieldsIndex[_Assertion]]
if assertion != "nil" {
parts = strings.Split(assertion, ";")
if len(parts) < 3 {
err = fmt.Errorf("invalid format [Assertion]: %s", assertion)
return
}
}
// check Sender
sender := row[fieldsIndex[_Sender]]
if sender != "nil" {
parts = strings.Split(sender, ",")
if len(parts) != 2 {
err = fmt.Errorf("invalid format [Sender]: %s", sender)
return
}
}
return
}
func parseAddress(input string) (address HDAddress, err error) {
parts := strings.Split(input, ",")
index1, err := strconv.ParseUint(parts[0], 10, 32)
if err != nil {
err = fmt.Errorf("parse address failed, input: %s, err: %v", input, err)
return
}
index2, err := strconv.ParseUint(parts[1], 10, 32)
if err != nil {
err = fmt.Errorf("parse address failed, input: %s, err: %v", input, err)
return
}
address.Index_1 = uint32(index1)
address.Index_2 = uint32(index2)
return
}
func parseActionBase(input string) (epoch, block, shouldBefore uint64, err error) {
parts := strings.Split(input, ",")
epoch, err = strconv.ParseUint(parts[0], 10, 32)
if err != nil {
err = fmt.Errorf("parse actionBase failed, input: %s", input)
return
}
block, err = strconv.ParseUint(parts[1], 10, 32)
if err != nil {
err = fmt.Errorf("parse actionBase failed, input: %s", input)
return
}
shouldBefore, err = strconv.ParseUint(parts[2], 10, 32)
if err != nil {
err = fmt.Errorf("parse actionBase failed, input: %s", input)
return
}
return
}
func formatAssertType(tag string) (assertType AssertType, err error) {
switch tag {
case "contain":
assertType = Assert_Element_Contain
case "notContain":
assertType = Assert_Element_Not_Contain
case "equal":
assertType = Assert_Element_Equal
case "notEqual":
assertType = Assert_Element_Not_Equal
default:
err = fmt.Errorf("undefined assert type: %s", tag)
}
return
}