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Dynamic teal #2126

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merged 19 commits into from
May 14, 2021
Merged

Dynamic teal #2126

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b4a55af
basics for divw, teal v4
jannotti Mar 15, 2021
1b98e69
Docs and tests for divw
jannotti Mar 19, 2021
cdd1a59
back branches
jannotti Apr 27, 2021
c6ddaa1
Allow labels to proceed instructions on a line
jannotti Apr 27, 2021
2d8e221
callsub, retsub
jannotti Apr 27, 2021
736be24
code review suggestions
jannotti May 6, 2021
8b8aba2
callsub arg correction, infinite recursion test
jannotti May 6, 2021
fbc896b
check back branches for alignment
jannotti May 6, 2021
a7346a3
make dry run test closer to reality
jannotti May 7, 2021
60ce9ee
Move cost checking into Check() for static cost checks.
jannotti May 10, 2021
ca53930
ignore langspec files. we might consdier checkin instead
jannotti May 10, 2021
0430d1c
test that v4 teal is not available early
jannotti May 11, 2021
4137ada
check programs against last static version
jannotti May 11, 2021
1802d7b
mistaken checkin of commented test, removed
jannotti May 11, 2021
f8e281d
Use TEAL v4, rather than new consenus parameter to go dynamic.
jannotti May 11, 2021
838d411
Spec updates for backjumps
jannotti May 11, 2021
511cf69
typo
jannotti May 11, 2021
12d90f8
Further explanation of callstack
jannotti May 14, 2021
acbc483
code review
jannotti May 14, 2021
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check programs against last static version
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@jannotti
jannotti committed May 11, 2021
commit 4137ada98b8c5fa779cb6b7134674bf599a429ae
5 changes: 2 additions & 3 deletions ledger/apply/application.go
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Original file line number Diff line number Diff line change
Expand Up @@ -274,7 +274,7 @@ func closeOutApplication(balances Balances, sender basics.Address, appIdx basics
return nil
}

func checkPrograms(ac *transactions.ApplicationCallTxnFields, evalParams *logic.EvalParams, maxCost int) error {
func checkPrograms(ac *transactions.ApplicationCallTxnFields, evalParams *logic.EvalParams) error {
err := logic.CheckStateful(ac.ApprovalProgram, *evalParams)
if err != nil {
return fmt.Errorf("check failed on ApprovalProgram: %v", err)
Expand Down Expand Up @@ -336,8 +336,7 @@ func ApplicationCall(ac transactions.ApplicationCallTxnFields, header transactio
// If this txn is going to set new programs (either for creation or
// update), check that the programs are valid and not too expensive
if ac.ApplicationID == 0 || ac.OnCompletion == transactions.UpdateApplicationOC {
maxCost := balances.ConsensusParams().MaxAppProgramCost
err = checkPrograms(&ac, evalParams, maxCost)
err = checkPrograms(&ac, evalParams)
if err != nil {
return err
}
Expand Down
24 changes: 14 additions & 10 deletions ledger/apply/application_test.go
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Original file line number Diff line number Diff line change
Expand Up @@ -349,32 +349,36 @@ func TestAppCallCheckPrograms(t *testing.T) {

var ac transactions.ApplicationCallTxnFields
var ep logic.EvalParams
proto := config.Consensus[protocol.ConsensusFuture]
// This check is for static costs. v26 is last with static cost checking
proto := config.Consensus[protocol.ConsensusV26]
ep.Proto = &proto

err := checkPrograms(&ac, &ep, 1)
proto.MaxAppProgramCost = 1
err := checkPrograms(&ac, &ep)
a.Error(err)
a.Contains(err.Error(), "check failed on ApprovalProgram")

program := []byte{2, 0x20, 1, 1, 0x22} // version, intcb, int 1
ac.ApprovalProgram = program
err = checkPrograms(&ac, &ep, 1)
a.Error(err)
a.Contains(err.Error(), "ApprovalProgram too resource intensive")
ac.ClearStateProgram = program

err = checkPrograms(&ac, &ep, 10)
err = checkPrograms(&ac, &ep)
a.Error(err)
a.Contains(err.Error(), "check failed on ClearStateProgram")
a.Contains(err.Error(), "check failed on ApprovalProgram")

proto.MaxAppProgramCost = 10
err = checkPrograms(&ac, &ep)
a.NoError(err)

ac.ClearStateProgram = append(ac.ClearStateProgram, program...)
ac.ClearStateProgram = append(ac.ClearStateProgram, program...)
ac.ClearStateProgram = append(ac.ClearStateProgram, program...)
err = checkPrograms(&ac, &ep, 10)
err = checkPrograms(&ac, &ep)
a.Error(err)
a.Contains(err.Error(), "ClearStateProgram too resource intensive")
a.Contains(err.Error(), "check failed on ClearStateProgram")

ac.ClearStateProgram = program
err = checkPrograms(&ac, &ep, 10)
err = checkPrograms(&ac, &ep)
a.NoError(err)
}

Expand Down