Class Logic

Logic class provides static checkProgram function that can be used for client-side program validation for size and execution cost.

Inheritance
object
Logic
Inherited Members
object.Equals(object)
object.Equals(object, object)
object.GetHashCode()
object.GetType()
object.MemberwiseClone()
object.ReferenceEquals(object, object)
object.ToString()
Namespace: Algorand.Utils
Assembly: Algorand.dll
Syntax
public class Logic

Constructors

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Logic()

Declaration
public Logic()

Methods

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CheckProgram(byte[], List<byte[]>)

Performs basic program validation: instruction count and program cost

Declaration
public static bool CheckProgram(byte[] program, List<byte[]> args)
Parameters
Type Name Description
byte[] program
System.Collections.Generic.List<T><byte[]> args
Returns
Type Description
bool
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GetEvalMaxVersion()

Retrieves max supported version of TEAL evaluator

Declaration
public static int GetEvalMaxVersion()
Returns
Type Description
int
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GetLogicSigVersion()

TEAL supported version

Declaration
public static int GetLogicSigVersion()
Returns
Type Description
int

int
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GetUVarint(byte[], int)

Given a varint, get the integer value

Declaration
public static VarintResult GetUVarint(byte[] buffer, int bufferOffset)
Parameters
Type Name Description
byte[] buffer

serialized varint
int bufferOffset

position in the buffer to start reading from
Returns
Type Description
VarintResult

pair of values in in array: value, read size
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ReadByteConstBlock(byte[], int)

Declaration
public static ByteConstBlock ReadByteConstBlock(byte[] program, int pc)
Parameters
Type Name Description
byte[] program
int pc
Returns
Type Description
ByteConstBlock
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ReadIntConstBlock(byte[], int)

Declaration
public static IntConstBlock ReadIntConstBlock(byte[] program, int pc)
Parameters
Type Name Description
byte[] program
int pc
Returns
Type Description
IntConstBlock
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ReadProgram(byte[], List<byte[]>)

Performs basic program validation: instruction count and program cost

Declaration
public static ProgramData ReadProgram(byte[] program, List<byte[]> args)
Parameters
Type Name Description
byte[] program

program Program to validate
System.Collections.Generic.List<T><byte[]> args

Program arguments to validate
Returns
Type Description
ProgramData
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ReadPushByteOp(byte[], int)

Declaration
protected static ByteConstBlock ReadPushByteOp(byte[] program, int pc)
Parameters
Type Name Description
byte[] program
int pc
Returns
Type Description
ByteConstBlock
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ReadPushIntOp(byte[], int)

Declaration
protected static IntConstBlock ReadPushIntOp(byte[] program, int pc)
Parameters
Type Name Description
byte[] program
int pc
Returns
Type Description
IntConstBlock