github.com/gagliardetto/solana-go@v1.11.0/rpc/getTokenSupply.go (about)

     1  // Copyright 2021 github.com/gagliardetto
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //      http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  package rpc
    16  
    17  import (
    18  	"context"
    19  
    20  	"github.com/gagliardetto/solana-go"
    21  )
    22  
    23  // GetTokenSupply returns the total supply of an SPL Token type.
    24  func (cl *Client) GetTokenSupply(
    25  	ctx context.Context,
    26  	tokenMint solana.PublicKey, // Pubkey of token Mint to query
    27  	commitment CommitmentType, // optional
    28  ) (out *GetTokenSupplyResult, err error) {
    29  	params := []interface{}{tokenMint}
    30  	if commitment != "" {
    31  		params = append(params,
    32  			M{"commitment": commitment},
    33  		)
    34  	}
    35  	err = cl.rpcClient.CallForInto(ctx, &out, "getTokenSupply", params)
    36  	return
    37  }
    38  
    39  type GetTokenSupplyResult struct {
    40  	RPCContext
    41  	Value *UiTokenAmount `json:"value"`
    42  }