# Info blockchain from Pyteal

Hello,
I want to know the last number block and the hash of this block from byteal and the time current. I search in Transaction Fields and Global Parameters but I not found it.

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# Exist a problem in indexer?

Thank’s. I will try it now. I think this protocol good for me? 🙂

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# Exist a problem in indexer?

Thank’s yes I used protocol future. Now I change the protocol to [GitHub - algorandfoundation/specs at 3a83c4c743f8b17adfd73944b4319c25722a6782](https://github.com/algorandfoundation/specs/tree/3a83c4c743f8b17adfd73944b4319c25722a6782) until instance indexer work well but for me I used application contains an smart contract written in Teal v5 but with this protocol I must used just Teal …

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# Exist a problem in indexer?

I use go-algorand branch rel/stable and indexer branch master but i received the same error : {"level":"info","msg":"adding block 643","time":"2022-03-24T14:49:39+01:00"} {"error":"AddBlock() err: TxWithRetry() err: attemptTx() err: AddBlock() err: AddBlock() err: getSigTypeDelta() err: unable to ...

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# Get transactions by application-id

Thank’s I cloned go-algorand branche rel/stable and indexer branche master. Now it work. Thank’s

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# Exist a problem in indexer?

thank’s for repply. yes I use the last version of algorand/go-algorand branche master and the last version of algorand/indexer branche develop.

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# Exist a problem in indexer?

I build and install indexer from algorand/indexer in github and I create a private network in my local machine contains two nodes one rely and other participent, the config.json for rely is : {"Version": 21,"GossipFanout": 1,"NetAddress": "127.0.0.1:44061","DNSBootstrapID": "","EnableProfiler": t…

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# Get transactions by application-id

I build and install indexer from [GitHub - algorand/indexer: searchable history and current state](https://github.com/algorand/indexer) i installed them in 127.0.0.1:8980 when try to GET request to 127.0.0.1:8980/v2/transactions?application-id=1 the result is the message {"message":"provided disabled parameter: application-id"}

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# How to create catchpoint

I found the solution. put "CatchpointTracking": 1 ,"CatchpointInterval":1000000 in config.json Thank’s

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# How to create catchpoint

Hello, I have create an private network Algorand and my ledger have must of 4000000 blocks I try to create catchpoint for fast syncronised the new nodes. How I do? Thank’s