Questions tagged [bigmap]

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2answers
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How to access Big Map value for a specific key

I am trying to access big_map data for a specific key, but I found that I need to provide the hash of the key to retrieve the data. Is there a way to get the hash for a key? Knowing the algorithm ...
2
votes
1answer
29 views

Get number of entries in bigmap

I am currently writing tests for a contract and for one of those tests, I would like to get the number of entries in a bigmap field of the contract's storage. I am using JavaScript with Taquito and ...
5
votes
1answer
43 views

bigmap.get(key, “”) with default param in case of no entry for key in the map with Taquito

Can we do something similar to myMap.get(key, defaultValue = None) of smartPy with Taquito? An instruction like: const myContract = await Tezos.contract.at(contractAddress); const contractStorage = ...
3
votes
1answer
43 views

Big maps in Zeronet

Is it true that in zeronet big maps are treated like regular maps? Example: https://rpc.tzkt.io/zeronet/chains/main/blocks/head/context/contracts/KT1JPvBo4Sv7n1WDzcKWEXTVRDU9HQhaZdzd See no big map ...
4
votes
1answer
100 views

How do I get the storage value of a bigmap using pair datatype as key with taquito library?

I am using the taquito library to interact with a smart contract that I have uploaded to carthagenet. However, I am facing an issue in retrieving the value of a bigmap property in my smart contract ...
1
vote
2answers
153 views

How to retrieve data from smart-contract using javascript?

I have stored data that I would like to retrieve from a deployed smart-contract. The storage structure was defined using SmartPy: def __init__(self): self.init(bmap=sp.big_map(tkey=sp....
6
votes
1answer
101 views

Relative gas cost of map vs bigmap

Does there exist a realistic performance benchmark between map/bigmap? I am looking for a tipping point where it would make more sense to use a big map for gas cost optimization
1
vote
2answers
42 views

How to total smartpy.TMutez type stored as values in smartpy.bigmap?

I have the following smartpy.bigmap in smart contract storage: import smartpy as sp self.data.init(bgmp=sp.bigmap(tkey=sp.TAddress,tvalue=sp.TMutez)) I would like to total all the stored tvalue so ...
2
votes
1answer
43 views

How do you discover the indexes of the big maps of a contract?

How do you discover the indexes of the big maps of a contract? It seems you would have to inspect the storage, and correlate with the type of the storage, and pick out the numbers that correspond to ...
0
votes
0answers
32 views

How do I get the contents of a big_map after proto5?

On http://doc.tzalpha.net/api/rpc.html there are RPCs now for getting big_map data, e.g. ../<block_id>/context/big_maps, ../<block_id>/context/big_maps/<big_map_id> and ../<...
10
votes
2answers
351 views

How to get big map value on Babylon

Babylon will have a new RPC to query big map value according to this link http://tezos.gitlab.io/babylonnet/api/rpc.html#get-block-id-context-big-maps-big-map-id-script-expr I tried using it with a ...
2
votes
1answer
114 views

How do I get the contents of a big_map through the RPC interface?

I'm trying to view the contents of a big_map in the storage of a smart contract. However, querying my Tezos node doesn't seem to provide that information. Is there a way of using the RPC interface to ...
4
votes
0answers
52 views

Error too big to serialize within the provided gas bounds. Increasing the gas bounds does not help

I am developing a fairly large set of contracts that interact with each other. I wanted to reorganize and optimized the code and I've added lots of PUSH string "..."; FAILWITH to help me debug. I am ...
16
votes
1answer
349 views

What is the BigMap container and why does it matter?

I have heard in many places that Tezos is making use of a specific kind of container called BigMap in order to store data inside a smart contract. The object must be relatively complex because so far ...