Preview4 to Preview5 Comparison

.github/workflows/main.yml

@@ -6,7 +6,7 @@ on:
  pull_request:
 
 env:
- DOTNET_VERSION: 3.1.402
+ DOTNET_VERSION: 5.0.100
 
 jobs:
 
@@ -21,8 +21,8 @@ jobs:
  dotnet-version: ${{ env.DOTNET_VERSION }}
  - name: Check format
  run: |
- dotnet tool install --version 3.2.111002 --tool-path ./ dotnet-format --add-source https://dotnet.myget.org/F/format/api/v3/index.json
- ./dotnet-format --check --dry-run -v diagnostic
+ dotnet tool install --version 5.0.142902 --tool-path ./ dotnet-format --add-source https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet-tools/nuget/v3/index.json
+ ./dotnet-format --check -v diagnostic
  - name: Test
  run: |
  find tests -name *.csproj | xargs -I % dotnet add % package coverlet.msbuild

src/neo/BigDecimal.cs

@@ -12,12 +12,41 @@ public struct BigDecimal
  public byte Decimals => decimals;
  public int Sign => value.Sign;
 
+ /// <summary>
+ /// Create BigDecimal from BigInteger
+ /// </summary>
+ /// <param name="value">Value</param>
+ /// <param name="decimals">Decimals</param>
  public BigDecimal(BigInteger value, byte decimals)
  {
  this.value = value;
  this.decimals = decimals;
  }
 
+ /// <summary>
+ /// Create BigDecimal from decimal
+ /// </summary>
+ /// <param name="value">Value</param>
+ public unsafe BigDecimal(decimal value)
+ {
+ ReadOnlySpan<byte> buffer = new ReadOnlySpan<byte>(&value, sizeof(decimal));
+ this.decimals = buffer[14];
+ this.value = new BigInteger(decimal.Multiply((decimal)Math.Pow(10, decimals), value));
+ }
+
+ /// <summary>
+ /// Create BigDecimal from decimal
+ /// </summary>
+ /// <param name="value">Value</param>
+ /// <param name="decimals">Decimals</param>
+ public unsafe BigDecimal(decimal value, byte decimals)
+ {
+ ReadOnlySpan<byte> buffer = new ReadOnlySpan<byte>(&value, sizeof(decimal));
+ if (buffer[14] > decimals) throw new ArgumentException(null, nameof(value));
+ this.value = new BigInteger(decimal.Multiply((decimal)Math.Pow(10, decimals), value));
+ this.decimals = decimals;
+ }
+
  public BigDecimal ChangeDecimals(byte decimals)
  {
  if (this.decimals == decimals) return this;